Yes, it is very suspicious that someone is asking questions about the AC system and has a type rating.
I've seen real pilots called not pilots for expressing their views.
Disagreement is fine.
But when mods do nothing about someone claiming to be a type rated pilot not knowing a fundamental system of a plane, that does make one wonder.
There are forums here to answer questions.
I remember many years ago a fine, fun looking man came up to me and admired the plane. He told me that he was a railroad engineer (this means the guy who drives the train locomotive in the USA). I said that was so cool and that the F3 Locomotive sort of looked like the front of our plane.
He smiled and then asked a question that only an engineer (railroad) could ask. He said: how do you get the power to the traction wheels?
I smiled and said: It isn't that way. Just imagine it is a shopping cart and you push it around and the jet engines do the pushing. He smiled and nodded.
That is a fine question from a railroad engineer. But if he told me he was type rated in my plane< i think I would call the FAA!