I have absolutely no issues or aversion to sharing a table. Honestly, when you eat at any of the packed restaurants at WDW, you might as well be sharing a table. We were 8 inches from the next table at CP, about that at CRT, and not much more than that at Ohana. Those tables are snug, too!
I figure at best, we'll chat and have a nice time meeting new people, and at worst we'll eat our meal while they eat 8 inches closer than they otherwise would have been. We're not looking to force a friendship, and are obviously there for each other, first and foremost, but it's fun to talk to new people sometimes.
We did once have a family refuse to sit with us, which was a bit unnerving, although apparently they refused to sit with anybody and left, instead.
Oh, and I agree that to have the chance to sit with Cheshire Figment or any of the true experts on this board would be fantastic!