oh, moish, you’re a funny one. The answer is NO!
Your yarmuka is your crown. When I see guys smoking and/or wearing jeans that are wearing a yarmuka on their heads, I think that’s beautiful. Ok, could be they are at the moment going over some bumps in the road of life. But they are making a wonderful statement by keeping the yarmuka right where it is. If they would walk around without it, now that’s what I would think is a chilul hashem.
~a~