Losing streaks

Ever since the latest patch i have lost about 80% of my ranked games. Some due to new items and champs, others do to the players (including me occasionally).In amny of the games i have been teamed with people that have chosen to just afk to lose purposely. And i understand with the server move some people struggle with connecting. But why does it seem impossible to progress in ranked now? i dropped from b1 to b3 because i couldn't get a win. I heard that the point of mmr is to accurately match even games. If so then i should have a 50% chance of winning at an ideal level. That doesn't seem to be the case though with my current w/l ration for the past 20 is 6/14. those 6 wins were not even a decent streak (highest win streak was 3, the rest were every few losses since the 9 game losing streak). I wouldn't be as concerned about this if retaking the rank you had was simply get to 100 lp then promote, not play a promotional each time. I have read somewhere that your mmr decides when you demote. Well losing streaks break this because you will always be below average elo on a streak and it will keep demoting you. Now at every 0 lp my next game decides my rank. But this started when the new 5.16 patch was released. Did some script change in the matchmaking balance?

Now to not sound like i am only complaining, i have though of some possible solutions,

1. mmr now changes every other match. -this would help to cushion streaks and minimize the impact of loses because of an afk or trolls.
2. Like i said above, no promotion series to already achieved ranks in the current season. -this just makes losing even more bitter. why should it be extremely easier to lose rank than gain it?
3. A demotion series, pretty much the opposite of the promotion, win 2/3 to keep rank and placed at 25lp when you hit 0lp. -this would at least allow for some strategy in maybe pairing up with a friend in solo/duo queue (I find duos win a bit more then solos) because if something didn't work, try to fix it for the next two.
4. No loss of mmr or LP for afk or d/c. -these matches don't accurately show the skill of the player. They had to play handicapped. yes there is xp boost, but that cant necessarily replace a fifth member in the long game when level is equal. Why should you get punished for an event you cant control and could be the servers that caused the issue (thus making riot partly responsible your loss)? if you argue that mmr and lp are more individual reflections, then why do i still lose mmr and lp if i go positive, and Riot has stated that League of Legends is a team game and hopes to promote a more team based environment. So why should those two things be individual?
5. Lastly it would help to visually show the mmr and LP of your in-game teammates and opponents in the game. -Although this wont necessarly effect the game, it could help with confidence and mental state. Personally if I knew that in my games it would help me calm down knowing that they are not some god tier player who just has a shitty mmr due to duoing. (just a false thought i sometimes get, not saying that is what happens).

What are your thoughts?