because racism is prejudice PLUS institutional power, and white people are the ones with institutional power.

Clooney can only control the movies he directs or produces.Here are the movies he has directed, judge for yourself if he could have cast more POC:

were and are all nigh-objectively better rappers than Macklemore, who was and is bad.

They are the same reasons that abusive women use as an excuse for domestic violence: