Does Riot even punish players anymore?

I took a year and a half off of playing League and came back this season. The player behavior is as bad as I have ever seen. Players are intentionally feeding or afk in about 25% of games. They get reported by multiple people and I have yet to see the pop up saying a player was punished! Seriously, not a single person I have reported has been punished all season. Absolutely excusable when some of these players actions deserve perma bans.
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