Is it a pattern for right-wing people to attack films, series and animations with protagonists from minority groups? Or is this an exaggeration?

Fixed it for you

The answer is “yes, no exaggeration!” To both

If they aren’t white, straight man, then it’s a DEI hire

If it’s the person is a white, straight man, then it’s that they have to work with people that aren’t

We’re going back to Shakespearean times when only men could be on stage

I think they’re trying for “Remove, Reverse, Reclaim”. I do believe “We the People” is a strong message that should be used with the RRR