Woman was clearly mentally ill, extremely belligerent, seeking tech support. At some point, store manager was saying something about trying to accommodate her and she said, “You don’t get points for trying.” Store manager turned around and said, “Call security.”

Phone support later called us to arrange help and I explained that she wasn’t welcome and would have to go to a different store. Fortunately, there are many where I live and she didn’t have to travel very far if she accepted that answer (dunno the outcome).