The SEC have only cracked down a handful of obvious scams from the pool of obvious scams. That’s worlds away from a global crackdown on the entire space, or worse, congressional action. Whether or not you agree with said action, I’m sure you can think of reasons, stated or otherwise, that such action might Be taken.
No they’ve been calling just about everyone operating in their jurisdiction. Many ‘reputable’ ICOs have halted their fundraising as a result of phone calls their lawyers received from the SEC. They’ve only filed suits agains the obvious scams so far, but that’s just a matter of priorities and the fact that they try to be soft handed with non-scams.
Not a quotable one no, although some like colony.io have blog posts explaining why they are changing the terms or schedule of their ICO. Others have refunded their ICO. But it is Back channel sources that tell me the others have received calls too (I work in this industry).