this was my follow up statement.
that's great, but you have to keep it within the realm of rational. once you've broken out into the realm of irrational then your argument becomes meaningless.
homophobia is exactly what it says. a phobia. bashing someone for having a genuine phobia is no more correct than harassing someone for their preference in their partner's gender. or ridiculing someone because they have a fear of enclosed environments.
when it comes to being gay you're entitled to be gay just as openly as non-gay people are entitled to be non-gay and bi's can be bi. that means in private where it's unconditional with the exception of a few abuse regulations and such. In public spaces you can only go so far with openly expressing your relations and it's all determined by the local government. if all 3 are equal then there's no problem. if any one of the 3 gets to do something the others dont then that's a problem when talking about equality. equality doesnt mean unrestrained. it means equal.
while it's not fair to harass others for being homosexual it's also not fair to force your homosexuality onto others in unrelated situations. that's what it means to respect each other's boundaries. sexuality is something that by nature is meant to be private. when you find that you're attracted to someone then tell them and if they react in a negative way then stop expressing those private feelings. sexual harassment is by definition exactly that. we commonly think of sexual harassment as physical actions or suggestive jokes, but it's not limited to just that and women aren't the only victims.
indecent communications in a non-private setting is often times looked down upon. (this goes out to you roleplayers who constantly talk in all-chat about your attractions to specific champions.) there are rules specifically targeting you so you should stop or at least do it in private messages with just your friends who aren't going to get offended. private verbals are meant to be used for private feelings.
same thing as bashing someone for having gender-identity disorder. a lot of people misunderstand what it means to want to be a different gender. changing your gender is like putting on makeup or a fancy new outfit in hopes that people will like you more and treat you the way you want to be treated. you can do it and you dont deserved to be ridiculed for it, but that doesnt mean it will solve your problems. it may help you feel confident, but the thing that many psychologists and psychiatrists aren't expressing because they're afraid of the backlash is that ultimately changing your identity will NOT help you feel better about yourself in the long run. feeling good about yourself requires concrete confidence and a mental state that cannot be obtained by refusing one's own identity. in fact refusing one's own identity in order to change how society views them is often related to even more social and mental disorders. anxiety and depression among the top offenders. if you already have those (most do) then they'll only get worse.
the main reason why people are separated by gender is due to the sexual attraction causing issues. in order to promote productivity and limit those issues things like separate bathrooms, clothing, and such was developed. those developments start to fall apart when introducing the idea of homosexuality and transgender. sexual attraction can cause fights over jealousy, rape can happen, and if people are sexually active then they're not as productive when it comes to manual or mental labor. ~10% of adult rape victims are male. so it's not like it doesnt happen. there are certain factors to it that make women easier targets than men such as not having a natural defense and the disparity in upper body muscle mass, but that doesnt detract from the fact that it does happen.
I hope this long and detailed post helps you understand that it's not as black and white of an issue as it may seem. straight up harassment is going to be obviously punished. crying wolf on the other hand may get someone punished once or twice, but as a whole the argument is going to end up weaker as those in charge will eventually grow tired of the issue being blown out of proportion. sadly many real world issues have become victims of wolf-criers trying to take miles for inches and twist ideas to fit their own personal motives.
:tldr - read the post. discussing sexuality openly in public chat during a league match is inappropriate in the first place. two wrongs don't make a right. equality is not unlimited freedom. sexuality is a private matter. people with phobias dont deserve ridicule or hate. surgically altering your body wont improve your state of mind. make sure you understand sexual harassment fully.
i think that's everything i wanted to discuss from the post before.
as far as this topic goes i have 2 things to say. 1 is that your chat logs show that you at no point muted your aggressor. instead you continued the argument which completely derailed your remaining teams ability to communicate with you effectively. if this was a 4v1 argument then you should have muted them all and focused on your own game making an effort to further the teams chances for victory. as soon as someone makes an offensive comment towards you you have a couple of options that will prevent you from getting into trouble. 1 is you can ignore it and then report them after the game. 2 is you can mute them and report them after the game. 3 is you can inform them that what they said was offensive or against the TOS/EULA IN A FRIENDLY AND INFORMATIVE MANNER and then continue to play with your chat open in hopes that the situation resolves itself. if it doesnt then refer to options 1 or 2. 2 is your safest bet as it will allow you to stealth report and avoid any sort of blowback. it's not your job to correct the behaviors of others. it is not your job to defend yourself or your viewpoint. your job is to help your team win during a league match. if at any point you sacrifice or hinder your ability to help your team win you're likely to be punished. in your chats you 1. argue your point of view. 2. go afk. 3. insult you teammates. it doesnt have to be extremely bad to get a chat ban. chat bans are essentially slaps on the wrist. something as simple as calling your allies "garbage" "noob" etc. can get you a chat ban if you're doing it enough.
avoid these things and you will start to improve your behavior.