I think it is not really being hacked! in my opinion hacking report is just their modus to collect all our money in their exchanges so we cannot put the blaim on them for our lost!
I understand your point really I do,if have ever lost money to such hacks,but it is kind of difficult to imagine that a reputable exchange will make such fake claim when their reputation and income will be affected.Successful hacks also diminish the earning and trust of an exchange