As someone who actually does the majority of their painting AT work, I've run into plenty of folks not in the hobby. Most of the time, while they don't "understand" the appeal of it and may actually be a bit dismissive of the actual figures (called orks, trolls, or even dolls at one point), they do respect the actual painting (usually with the "how do you do that?" or "I could never do that" kind of comment). I don't generally show my work off to people that haven't expressed an interest, but I don't hide it either.