True story:
A friend of mine married a woman, and adopted her son - legally.. Went through the whole rigamarole of adopting her son as a symbol of his committment to her.
Fast forward a few years.
SURPRISE! My buddy's wife suddenly decides she's a lesbian, shacks up with another woman, and files for divorce.
And guess what! My pal now has to pay support!
No fraud, no deceit, as you said. But my friend still has to sell the house he worked hard for, file for bankruptcy! Yay! Justice has been done!
Hasn't it??
(Sure, there was some other stuff that was going on, but I'm just using this as an illustration.)
Adopted kids are NOT second class citizens.
Ask him if he despises the child or the mother. I’ll bet he loves his child.
But I agree that some women are simply scum. How does one not know the father of their child? Or just wake up one day and think “Oh, I’m a lesbian”.