there is no fucking sense that you lost 800k btc without noticing it, just like JP Morgan lost 1.9 tri dollar out of their 2 tri dollar asset without noticing, no fucking brain in the Universe will believe this theory. Mark took all the coins, period.
My theory is they were stolen years ago. Gox has been running on deficit every since.
We'll all find out the truth in time, that's for sure.