...honestly, the way things are done here was a shock to my system for the exact opposite reason... though, even in my world, that sort of thing seems to vary from country to country, and even then it's mostly done for recreation these days.

Well, I may have overstated it a bit-in most cases my relations with these people haven't been too unpleasant given that our conflict can only really be carried out in our world, but I feel as though it does help to clear the air a bit. Furthermore, I was discussing it in the context of your proposal; after all, people can't always be expected to act rationally, especially in a stressful situation like finding yourself stranded in another world-seeing someone who you consider an enemy could possibly make things a bit harder on you, even if your conflict with that person isn't strictly personal.