Toxic players must be punished more severely

In my opinion the punishment for toxic players does not seem harsh enough hence there are still a lot in normals. I usually stop playing because of the toxicity and not for other reasons like lose-streak, bad teammates or myself having a bad day.

In my opinion it should be made clear during the loading screen that you will get banned or will suffer other consequences like inceased item costs in the shop, down-scaled champion ratios, removes HP regen, forced to play 10 dominion games alone with tough bots in a row, etc.

To put it bluntly, the penalty for insulting, griefing and threatening other players, wasting their valuable time is not punished hard enough. 20-30% of my time is often wasted with toxicity and i wished that i was not joining another match.