No, Syag, I didn’t say you made it up, and I’ll thank you to not assume that just because in my experience it’s not common (although I don’t know if I’d use Lior’s numbers) I might be “a father who poo-poos your kids claims of being hurt by saying he just doesn’t understand discipline”.
It’s not a matter of “sweeping the issue under the rug”. Such an issue did come up once, and and I’ll tell you, it was a very difficult balancing act to try to maintain my son’s sense of respect for rebbeim (because if he was told that he can be chutzpadik to this rebbe, he would likely maintain that attitude toward other rebbeim in the future) yet validating his legitimate sense of injustice at how the rebbe acted
Yet, this was a relative rarity in my sons yeshiva, and a lapse in conduct by a rebbe (in an extremely difficult circumstance) who had an otherwise distinguished chinuch career.
So if you don’t mind, I’ll express here my very legitimate perspective which despite not being Pollyannaish is an overall very positive one shared by many in my community with whom I’ve discussed this.