The only thing that allowed this in the first place is counterparty risk, the very problem that bitcoin actually solves. People will have to learn this the hard way, unfortunately.
If I was someone else with access to that wallet, I could easily see waiting until SBF is out on bail and then moving funds to make everyone think it's him.
On the flip side, if it was SBF, he maybe could have done it before. Martin Shrekli has stated how he did blockchain operations from a contraband cellphone while in jail.