Can someone tell me why there are trolls who keep playing this game, and ruins everybody elses pleasure. How they are not perma banned ?
There are a number of reasons, first and foremost being: Trolls are difficult to catch.
Add on to that the fact that a lot of players tend to cry "wolf" whenever they see a pug - or, more plainly said, report players for trolling when they really weren't - and the already-difficult-to-detect-trolls are made that much harder to actually catch and punish.
Additionally, trolls/intentional feeders get one chance to prove their reform - they get a 14-day ban as their first offense.
But, beyond that, you don't know whether or not someone has gotten banned - the Instant Feedback Report is scarcely reliable (for a reason), so all you can really do is guess at whether or not the player you reported got punished.
Why when someone who flame trollers, get perma banned...
For starters, let's get the obvious out of the way:
Other people breaking the rules does not give you a free pass to break the rules yourself. You are not allowed to flame, PERIOD. It doesn't matter if someone else flamed first, it doesn't matter if someone else trolled/intentionally fed, it doesn't matter if you're flaming someone who you think deserves it, you are NOT ALLOWED to flame.
Second, if they got permabanned, then that means they've a history of flaming, and have not reformed since their 14-day ban. The permanent suspension is their own fault for not taking Riot's warnings and punishments seriously.
...and i lost because of trollers who like to try something new on ranked. or they are playing champion for the first time. It is ok for me for someone to try something new, new champion, build,lane, etc, but i think that normal is thing for that, not competitive ranked.
There's really no feasible way to prevent people from playing new Champions/running new builds/strategies in Ranked. However, Riot is at least working to make sure that if they do play different Champions/roles/etc., that they take it seriously, through the upcoming LP splash in Ranked.
Also, some players like to say "Nevermind, it is preseason, no one cares".
Sadly, this isn't new. People will make up any excuse to misbehave. "It's pre-season", "It's just flex", "It's normals", etc.
Ignore their excuses, report them if they misbehave, and let them try those excuses on Riot.
