Fortunately my mother went to alanon when i was younger so although she doesn't understand about being an alcoholic she can appreciate it. My father, on the other hand, sounds like your mother. I just leave him to live in his own bubble and have little to do with him.
Now that your sober i am certain you are thinking that if it was a child of yours you would support them and, although maybe hot completely understanding, never want them to drink/use again, right? That would be the 'good enough' space to be in. Not everyone fits that category, had they done so you might have turned out a little different:-)