Not defending him but if you read her post he was not the only one.
She also had an issue with the FAs as well as the Wheelchair people.
5 years here never heard of this know your row thing.
Some guys just have really really bad humor.

Such as this
https://m.youtube.com/watch?v=M3n3nXUFmA0

Again before you get all worked up just saying he wasn't the only one that annoyed her, and yes he should not say that.