They possible lost the private keys of one of their cold storage wallets? I can't explain "temporarily unavailable" - maybe he's trying to recover from a damaged hard drive or break the encryption password?
yes that quote about temporarily unavailable seemed a weird thing to say...
he owns MTGOX, he owns all the private keys.. private keys have nothing to do with malleability.. he could easily load them into a client and withdraw at a whim.. so why say temporarily unavailable.
........ seems like delay tactics with weak excuse... maybe he got his speach lessons from pirate@40
and lastly, when people are wanting their money.. why is he at home playing with his cat, chatting in a chatroom. he should be doing something.. right?