I don't think job prospects is the reason. Assuming they're not quite repentent, it's easier to get a job with a clean criminal record than with a rap sheet and some publicity about feeling remorse. Especially in a Trump world that will hate you for turning against the man who pardoned you.

Nah. I think they're really repentent, or stupid enough to prefer any publicity - even dangerous publicity, because they're going to draw the ire of many magats doing this - over anonymous lack of consequences for what they did.