Of course some do. You can do amazing things with grilled vegetables and mushrooms.
But this flyer, from a local distributor for BBQing.com, seems to be betting not only that its potential customers are not vegetarians, but also that they hate PETA.
Now, I am not a vegetarian and I do dislike PETA's marketing tactics and extremism. This brand is probably making a smart strategic move by targeting guys (let's face it) who eat lots of meat and like to feel obnoxious about it. Canadian Tire and Home Depot can't do this, because they have to appeal to everyone. These guys can afford to be assholes.
By the way, if the "mashed potatoes" gag seems familiar it's because this billboard has been floating around the internet forever:
But if you're going to wear that statement around, you might as well get the original.