People 100% comment on your height in public when you fall above or below the average. You probably don’t experience it because you’re average.
As a tall guy, the following has happened to me in the last week:
That’s five examples since last Saturday, and I’m only counting strangers. I don’t even live in the States, where in my experience the comments are more frequent and over-the-top.
I fully believe that Chris Morgan receives a lot of comments about his height from people he doesn’t know.