Yes, we have heard of MrBeast, most of us would likely recognize his face.
But that's about it. Nobody watches this stuff, most people in this bubble, including me, are shaking their heads at this kind of content. It's seen as low-quality stuff you actively avoid and as something you'd try to keep your kids away from.
So obviously the next logical step is to think that it is a very negative development if THAT is the kind of content that is spreading all over the world, shaping and influencing a new generation.