Actually, I was interested in an answer to my question:
I hate to be the devil's advocate here (especially being a newbie), but how does "known about since 2011" fit with "cannot be corrected overnight"?
Nights are extremely long on Mt. GOXXX. They don't experience Linear Time as we do, down here on Earth.
Also there is no concept of ownership. "Your Coins" are "Our Coins".