Mt. Gox took forever to collapse as well... with thousands of excuses like malleability and what not... With all of those horrible user experiences I really wonder how is it that there still has not been a panic...
Cryptsy also was rumoured like for years to be bankrupt until in the end they admitted it... Sorry to see that the exchange with the biggest volume for alts is making such headlines...
RE: Why I have stopped using Poloniex Exchange completely now.