My view is that I really don't give a rats and would only know if I am flying that particular 330 is if I noticed on the walkaround. I have some gay friends but they are not too radical politically (they all fly one way or another) and I think would view the tail art somewhere between couldn't care less to "that's nice".
Thevflag is probably a transfer and will be there for a while and be taken off in a few months/years..