Because who is going to operate the servers?

Originally with RCS it was the carrier, but basically every carrier switched to using Jibe (by Google) for the backend.

And it sounds like Apple is going to operate their own as well.

What actually happens is that it normalizes making fun of people like him. I do feel the socialization angle is important, but remember that classroom culture is very much predicated on kids making fun of those who are “different”.