I think more than just "being found out" unions also have to tell there members that they are doing something for them. Teaching jobs are already really good (e

I think more than just "being found out" unions also have to tell there members that they are doing something for them. Teaching jobs are already really good (except perhaps for the pay, but that is constrained by government budget). So the unions can tell their members that they will always go to bat for them, even though it is almost completely unnecessary for a competent teacher.