Polloniex (and this is 3 years ago) was keeping for over half a year roughly 5 million dollars of a good friend of mines. I did a lil' series on it and then stopped as it became apparent how mucky it got and just plain weird. I have no idea how it is today with new owners and personally don't use it or bittrex, oh helllls no.
Many users don't know or care how any of this started or by who as long as they get their sh*t coins, which most seem to be. Oh you mean a lot of stuff was started by the M.I.C. or supposedly Ex types, yayyyyy sign us up. There is a lot of Psy-Oppy/murky stuff that has gone on and also the usual dopamine rushes employed. this is all op/ed (eyeroll)
The banks/gov is behind a ton of this but people just jump at shinies. You were stolen from and there is no recourse and one thing I do enjoy about Hive and Hive Engine is that I don't have issues like that. That's a HUGE plus even though of course there is the usual bullshit that goes along with anything combining social media and money......more like antisocial media but I digress ;)
RE: The bankers shut my account for buying bitcoin! Fuck them.