He said he was withdrawing his coins, nowhere does he say he’s exchanging them for dollars, yen, pounds or whatever physical currency he prefers.
Withdrawing the bitcoins is as easy as sending them to a different wallet, from there he could even exchange them,to physical currency using a different exchange or even purchase a new car with them.
The US gov’t dwolla freezing won’t make much of a difference to the vast majority of mtgox users.
