Some guys are very much into big labia - the bigger the better.
Some guys are very much into small/non-existant labia.
Most aren't too bothered by labial variation.
(My 0.02 I think the fetishism of either extreme is something along the same lines as hair preference [shaved/unshaved] and a bit weird, to be honest. Youth fetishism? *sigh*)
Myself, I think it's great either way. Actually... Now that I think about it, maybe bigger is a bit better. More stuff to molest.