In my experience on my main account, trolls/feeders/inters that you report don't even get a temp ban. You can have a lane go 0/12/0 by 20 min, curse you out for not grouping when you are splitting 1v2 and getting ganked by the enemies they fed, and nothing is done to punish the feeding trolls. Try telling them anything to help them before they feed 12 kills, and you get ignored as they do the SAME dumb play time after time after time. 2 or 3 deaths later, you tell them they are an idiot for doing the same dumb stuff you told them how to avoid doing so they DON'T keep dying, and you are now "toxic" and "reported" by your whole team.
I dropped from s3 to s5 within a week because 90% of my games were losses due to trolls and intentional feeders flaming me and crying that I was "toxic" for asking them to do things as simple as NOT FORCE 2v4's when behind and WARD. Never knew that was "toxic" lol. And the sad part? When 8 of 9 games you lose, you are either the only person on your team with a positive kda or one of two people. Yeah clearly I deserve to lose all those games lol. Talk about balanced matchmaking. I've asked Riot to spectate or play in some of my matches on my main - and on other people's who have had the same problems I have -- so that they can realize just how bad matchmaking is. Have not gotten a reply.
Never in all my years (4+) of ranked playing everywhere from bronze 4 to gold 2 have I seen such idiotic and toxic players as this season in silver and high bronze. I've even gotten responses from diamond players saying how shocked they were when they smurfed in silver and how they couldn't carry a game if not extremely fed from laning phase if they had the trolls/feeders on their team. But yeah, clearly with stuff like that, a gold level player can carry and climb to gold no problem. And I swear either Riot or the silver players themselves intentionally throw certain games/screw certain players. Why? I have gotten smarter, less toxic players who actually show teamwork on my SMURF account - even when going through the same elos. I have over 50% winrate despite not having proper runes on my smurf account during the same time period where I have a 10% winrate on my main. Now what does that tell you?