This has absolutely ZERO percent to do with grosses. Every movie Gunn made could’ve grossed a Billion and they’d still be pushed out for a right-wing Christian producer because the new owners are right-wing Christians.
Above and beyond that, they took away DC’s self-determination because this new guys has to now report to the film division heads.
I'm reminded of WCW's death, which also involved a WB merger...
People say Jamie Kellner killed WCW because he hated wrestling, and it was all over once he was named the new head of tv programming.
And you know what? He probably did hate wrestling... but WCW also lost $62.3 million in the year 2000. If it was still making $30 million a year like it had been in 1998 would Kellner have killed it? I donno. Probably not. But having lost over $62 million just the year before was all the justification needed by the suits.
So while I'm sure there are reasons for Gunn's departure related to Paramount's ideological preferences, I don't buy that they'd have done this if Supergirl and Clayface were raking in billions. They'd happily keep that money train going if that was the case.
But Supergirl bombed worse than Morbius. A movie that became a meme due to how badly it bombed. You can't put up those numbers and still expect a blank cheque from... well... the guys writing the cheques.