People that know you and don't comment on the kilt either accept you as you are or don't care enough to bother commenting. I assume an old college roommate would be in the former camp.

I think it would be wonderful to have the kilt thought of by all as a normal garment for everyday wear. But I also think it would be terrible to have the kilt thought of by all as a normal garment for everyday wear.
It would be sad to see the kilt regarded as just another garment and not special at all.