yes but
They deanon'd the whole chain
And by doing so saved larger calamity
It is time to b humble
You and every else is blowing the severity of the bug out of proportion,
for your own malicious agenda. They only thing this does is reveal which public key in the ring signature is the actually sending coins.
The required use of stealth addresses still protects the recipient of each transaction. I believe the token system also offers some protection.