They're a liar for attempting to use an anecdote to disprove a trend. That's basic, basic manipulation tactics. Manipulation is wrong, misleading, and arguably lying when misusing data.
They never said anything about a trend. They said not all teachers are poor. That doesn't mean they were disagreeing that teachers tend to be underpaid.
You keep digging that hole. I do not think you understand what position you're in. Genuinely, pathetic. You're not even the one that made the original gaslighting comment, yet here you are... defending gaslighting. Sad.