...
Many people have withdrawn their money since last June. The red flag was there for months. People staying there were either playing with fire, lazy, or simply ignorant.
Although that might be a good idea to regulate bitcoin exchange, that is irrelevant to the bitcoin as a currency or protocol. You don't need an exchange to spend or receive bitcoin.
Many people believed in
bitcoin gox and got badly burnt. If you are suggesting that only sophisticated investors should use bitcoin, so be it.
FTFY. And yes, if one do not have half a brain to understand the difference between gox and bitcoin, they should not invest in it.