It really sounds like he is overcompensating in the parenting department. Like he just showed up at a party 3 hours late frantically asking if anyone needed help setting up... lol.
I think wet brain is relatively rare? But the self centered part of alcoholism can make paying attention to anything that doesn't directly involve them pretty difficult. Also... alcohol has a way of making people forget things, lol.
I'm glad you're looking at it with humor!