I'm in agreement with kpickell here. I think that a lot of veggies do have the tendency to get on their high horses and think that everyone else is in awe of our lifestyles, and that they can't be bothered doing it.
I think that a good majority of the non-vegetarian opulation doesn't want to be vegetarian. So realy, it's up to us to lay off, and get on well with our omnivorous chums. 90+% of the population isn't vegetarian, so it'snot really our place to make fun of those who aren't. It's our place to say "Hey, we've got a niche here, come and join us", if only for a pint of beer and a veggie burger.
I think that really, we just have to teach people that vegetarian food isn't all that bad, and it's good to eat it so they can share a meal with a vegetarian or two. (Or when they have a dinner party, then can make the token vegetarian happy!)
I just think that there's an image in people's heads of the confrontational vegetarian, and it's up to us to dispel that image. And that, for me, requires PETA to shut the **** up.