“So if the guy wants the baby he has zero recourse if the girl wants to kill it.”
He had plenty of recourse not to impregnate a woman he’s not married to.
"Oops" pregnancies, the woman getting pregnant by one man but attributing it to another, women rescuing sperm from a condom and impregnating themselves with it.
Not to mention the get-married-have-a-kid-then-quickie-divorce.
Women are allowed to behave dishonestly, foolishly, and irresponsibly, and men are required to fix the problem AND take the blame.