Pazer has it right. Dota was your addiction but all the other drugs aren't much better if they have a chat and you need a team.

idk man, I lovo soloQing as pos5/4. Ain't nothing wrong with supporting here and there, as long as you know how to silence crybaby carry players.

I quit DOTA 5 years ago only to end up playing LoL. Same shit there, except matches are shorter and you're likely to get selected role.

These is salvation: Heroes of the Storm.
Matches take about half the time of DotA 2 and it's not hard to learn - at least if you're coming from a more complex MOBA.
It's still an online game with a chat, so includes flaming.

Average game is 40 min. You mostly described any team player game with roles.No friends no fun.

patch 7.00 ruined dota, but reworking necronomicon was the final nail in the coffin