It’s likely more of a hook, or maybe even an attempt to push your buttons , rather than a genuine concern he’s showing for the situation his choices landed you in. I really sympathise, though. Your emotions are going to be strong right now, anyway, so it’s harder not to react. You have to make very conscious efforts not to.
I’m betting my former friend was hurting when I ended the friendship, but I didn’t ask if she was ok because while I truly am done with our friendship, I still care enough not to pour salt on the wound, so to speak.