While their are legal protections for supermarket donors in most states, fathers of surrogate children are not protected from child support unless they go through a sperm bank.
We had a case in Pennsylvania a few years ago where a surrogate mother changed her mind and decided to keep her triplets.
She then sued the father sperm donor who was a Dr and won a hefty child support.
Freaking AI keeps changing the word “sperm” to “supermarket. “
Go figure!