Dude, you got shit on, but your entire post screams unprofessional. If you want to be a professional, and be treated like a professional, you need to act professional. Harsh perhaps but that's the truth. If this is a serious job solicitation and not just catharsis you are doing it all wrong. Starting with how desperate you are, how proud you made your mom, and how shitty you've been doing and been treated does not ma…
But I actually think he's shown himself to have good character here. He isn't attempting to sabotage the company even though he could. This happened very recently so you'd expect some of the emotions to be raw. I don't think this person is "high risk" if firing them after abusing them means that they're still loyal enough to you to not reveal your identity publicly. It sounds like this person was a trooper right up to the very end and is in fact pretty much the opposite of high risk.