Years ago, I was interviewing for a primary teaching job. It was with a year one class, I remember.
I was doing a circle time for my lesson demonstration, and obviously, not knowing any of the children's names, I was having to point at the ones with their hands up to get answers.
One little girl sat about 2 children away from me had her hand up to answer, but wasn't looking at me to be chosen. So I reached over, and with a single finger, lightly tapped her on the head to get her attention. She looked up, answered, and we moved on.
Then, in the interview, the head starts criticizing me, saying "we don't use physical discipline here to correct the children!" I was so blindsided by the fact she thought I'd attacked a pupil, and at her clear lack of attention to what had actually happened, that I didn't even bother to correct her. I knew at that point she'd already decided I wouldn't get the job. And I wouldn't have wanted to work there anyway, if that's the assumption they'd leap to after any sort of physical interaction with a child, that I simply did a confused shrug, said, "okay then". And that was that!
It was just... so bizarre.