It's a long and heavily sourced video going into the ways that MrBeast is unethical and sometimes outright illegal.

He fakes his videos, redirects his random prizes to people he knows, lies and makes kids think they'll win prizes by watching him, and holds illegal gambling with his target audience of preteens. And most people suspect this, but an hour of proof is solid and convincing.

This isn't really an "I hate MrBeast" drama video. The guy who made it does hate him, but after watching it I think it'll be mostly a useful video to send to parents (or maybe the older MrBeast fans who are aging out) to convince them or their kids to stop being fans and see through the fraud.