Ah interesting, didn't know that. The video is at least 4 years old, so suppose it depends on when Derek sold. Anecdotally, I think all the new hosts came after that thumbnail video, but I couldn't say how closely the changes you mention followed.

In general, it seems this is a thing that YouTubers feel they need to do to avoid being swallowed, but the extent to which MrBeast does it could well be extreme, and thereby worthy of suspicion.