That's not an argument, that's just a fact.The argument is that she gets a choice which may burden him.
Of course it is. The man deligates his authority in the matter to her with the act of sex. His sperm is legaly considered a gift. The only way a man can retain control is by refusing to deligate that power in the first place: abstonence.That is not fair.
Even with a vasectomy and condoms there is still a small risk.
If you don't want an outcome, don't assume the risk.
If you give her the keys to your car she may wrek it. If you aren't ready to deal with that then don't give her the keys. Duh! Common sense.