> It's interesting how everyone thinks they're "managers" in "agile" teams.

In scrum in particular, teams are supposed to be "self-organizing and self-managing". Perhaps that's why :-)

> QAs trying to make decisions on behalf of the team

Oof, hits close.

Suggestion from a QA to implement some feature that is hugely difficult to implement? Business agrees so developers now need to make it happen.

That sounds like a dysfunctional team to me, to be honest.