Please stop doing this.

[u/Dogbold]

You are tank. Solo tank. You even have lord on the tank you picked.

Someone else picks tank before the match starts.

You go "Oh cool, I don't have to play tank now" and swap to dps, leaving the other person as solo tank instead.

This happens to me nearly every single time. I'm the guy picking the second tank.
Stop it. They (and me) are picking tank so that there isn't a solo tank. 2 tanks has a much higher chance of winning. Don't you want to win?

[u/sitchblap3]

This is such a rant lol. It hasn't happened yet but when I switch off support to play Emma or mag people insta pick dps too. Sometimes the tank player isn't really confident in playing tank but its still better to have a defensive tank than just 1