Do you know that those who do store their funds or savings into exchange are likely to lose their funds because they aren't in control of their funds and to whatever that happens over there affects their savings generally.
If everyone applies carefulness and never compromised their keys or revealed it to people there is no way anyone will come mention about hack, collapse and whatsoever, it is the ignorance people around the crypto industry not to make their researches on what form exchange and cryptocurrencies they should invest on, as for bitcoin, I have a strong confidence and the lost in bitcoin is subjected to amount of patient you would exercise for the market to gain back another ATH then you will recover the lost.