This is such an interesting thread! For me, if I like something and it fits my list of requirements (fit, budget, etc.), I'll buy it, lemming or not. I really don't care if others are wearing it or if no one is wearing it.
I love the arts and creativity so I suppose it follows that I love outfits here on the forum that showcase that (and Anna you totally rock in that category, as do many others).
I would think it was a compliment if someone copied and put their own spin on my outfit, but if a lot of people just plain copied it then it would be kind of weird. Or funny. Or I would think you've all gone mad