A Facebook exchange between the owner of a Maine diner and the mother of a screaming young girl brought the wildfire capabilities of social media to a classic — and divergent — debate over parenting in public.

Darla Neugebauer, who owns Marcy’s Diner in Portland, was unapologetic after yelling “That needs to stop!” and pointing at a girl who she said had been screaming for the better part of an hour.

“You have a problem with a child crying then you are not suitable to run a business,” the child’s mother, Tara Carson, posted to the diner’s Facebook page after the encounter.