Or, more accurately in most cases, by Baby Mamas who want to nail the Baby Daddy for child support (and 90% of the time, rightly so)

But really, there was more a general point there about sons (and daughters) growing up alienated, apart, and otherwise without their fathers, which there's an awful lot of in today's culture. Which is why I don't think it's actually as much a cliche as we'd like to think.