I want to write an article about this and I've been asking around.
So far, I've found:
* Fraud and scammers
* Government taking over
* Scalability and governance
How about you guys?
I think the problems within the Crypto space boil down to pure greed. Greed, especially on the part of poorly skilled developers, that do little more than repackage someone else's code and pass it off as innovation. Or the ICO built around little more than a furtive idea pumped by a celebrity.