Because other tokens are just hype.
They made the fork of bitcoin for only one purpose, and that is to print more money.
Yeah, I also think so.
BCH was created to implement real improvements into the technology, while other forks were made just to make a fork actually. And to make some money from it, of course. For these purposes I can say it was quite successful.
Bitcoin cash is successful?
Well, it's up to you to disagree that it is successful, but here is the fact that you can't argue: it is at least more successful then other forks. And here should be some reasons for it.
And I also wonder what will happen to the BCH fork that is coming now, Bitcoin's grandson.