Okay, so you've redefined regular, and are now surprised the person you're responding to doesn't share your unique definition.
It sounds like instead of just mistakenly using it as a synonym for frequent, you're mistakenly using it to mean something like prevalent or widespread or pervasive.
Either way you're responding to a perfectly valid claim by re-purposing the words used by the parent post and then arguing against that.
Bullying is regular in America. It happens in every school.
Police brutality/abuse is regular in America. It happens in every city with a large enough police force.
Pharmaceutical addiction is regular in America. It happens in every town.