what is wrong with wearing collar neck?

WHAT THE HELL?????
what is wrong with wearing collar neck? What  is bad?
today I am wearing a collar neck to the campus and all watching me. WTF! and the instructor, too sarcastic.
difficult to make look different in my neighborhood. may not be accustomed to their eyes see different styles. while out there collar neck is trend.
ya just can not tolerate those people are still primitive