Well, even beyond that they lack a sense of situational awareness. For example if you want to dress up real fancy and go to a specific function or event where it would make sense to dress that way... yeah, might look pretty classy.
But instead, with these neckbeards, it's sort of like a ICP fan... who wears the fucking make-up 24/7. I mean, if you want to wear the make-up when you go to an actual ICP concert... sure, sure, knock yourself out... but when you start trying to make some kind of "lifestyle choice" out of it... mmm... yeah, that's just being a spaz.
Same with like weebs who can't just sit the fuck down and enjoy some anime... instead they gotta act all retarded about it, to the point of just cringing everyone tha'fuck away from it.
Also similar with transsexuals and a lot of other fetishes. Like if you want to do some weird shit as a hobby, that's alright... but if you want to try and do weird shit for the rest of your fucking life, day in and day out... yeaaaah, maybe time to rethink yourself.