There's nothing to argue about. Y'all don't have principles you live by. Simple as that.
You can't talk down women for doing this, then cosign this guy's behavior... Which one is it?
There is no right or wrong in this situation. Based on how the marriage system is set up he's entitled to what he's asking for, despite how trifling he is. Maybe if enough women get fucked over this could be the spark that changes things for the better. Change don't occur until the group that usually benefits from certain things begin to feel the pain from rules/laws that benefit them.