It's not English-speaking community specific. In every language I can speak, I can think of an equivalent of MrBeast for that area. Maybe a majority portion of the entire world's population actually enjoys that kind of content. Nobody in my friend group enjoys that, but looking at my nephews, they're all going crazy about it. There are going to be people who grew up with him for almost a decade, and that's a crazy amount of time to build parasocial relationship with your favourite celebrity.