That same argument is often used by people to dismiss any argument they don't understand.
I'm not saying it's what's happening with you now of course π; I'm just saying that it's not convincing to everyone
Before telling someone to start a family, or indeed any other advice, have you asked yourself if you're the first person to have told them to do that?
In a variety of debates, I can't really blame people for making bad arguments, but I blame people for making arguments that they know I've heard 100 times before π