My tongue-in-cheek point was being right is over-rated.
I am often quite good at picking up on tongue-in-cheek, but it whooshed right over my head.
It's not a bad thing to be open to criticism, but the criticism needs to make sense. Only the OP can say for sure that it does or doesn't.
Absolutely, I always welcome constructive feedback. However, it doesn't mean I will necessarily take it at face value or actually act upon it. It's my own decision, ultimately, what I do with feedback given.