I can only imagine what teachers said about me and my buddies behind closed doors. Personally I don’t have a problem with a teacher venting as I am sure every single teacher has said that about PITA students.
I retired from the U.S. Navy with four Honorable Discharges (and a Navy Achievement Medal), maintained a TS security clearance in and out of the service, worked as a contractor for years for various Federal department (with a TS security clearance), and retired from Federal service from the Joint Chiefs of Staff, walking the corridors with Flag Officers (I met more admirals and generals during one week then my entire time in the Navy).
I was told by a teacher in my senior year that the principal wanted them to fail me but they did not because I always passed the tests and turned in the work.
I had a couple of kids every year that would make me so mad, I fantasized about putting them in a cage and dropping it off in the middle of the desert. I mean, they made me so mad I thought I'd have a stroke.