For starters, it doesn't take a genius to see that John's need to flee his children or banish them from his presence when it's not all smiles is as efficient a method of preventing bonding as his high-handed snippiness when little hands come to play with his toys. Given that Massive-Diameter Dickhole John won't make any sort of logical connection between his "Go away and think about how selfish you are for thinking that feeling lost and alone in this world is a REAL problem when refugee orphan children are starving in a war zone, Liz!!" and the fact that she doesn't feel as if she belongs anywhere, it's kind of easy to see that the same festering boil on the asscheeks of humanity isn't going to want to understand that the reason that his children don't know who he is or what he's in to is because he won't share.
It's also fairly easy to see that the same clod will be at the chiropractor's office after wrenching his shoulder out patting himself on the back for being soooo observant when he tells Mike what other people say about him. As I've said before, being stupid means never having to say "I'm sorry."