It's the effort that counts, I guess? Just to show their peers that they are still interested on reimbursing the lost coins. Then again, even if they don't want to reimburse it, they are legally obligated to do such seeing that the US government is watching their every step. If I was one of the 5000 customers that received reimbursements, I will be furious, but then again I have to understand that it's partly my fault for leaving funds on an exchange. The 120k BTCs might not be recovered anymore, but at least, trying to give back something to your clients is something commendable (or something that they should really do anyway.)