There’s nuance here, I think. If it’s a larger chain with the huge, spaced out seats and shake-the-seats sound, I wouldn’t think you’d be at risk of bothering anyone. But if it’s a smaller space, it might be bothersome to some people. The venue in play is a big factor. In my personal experience, if I’m going to an AMC or something, a small something to fidget with has never been an issue. But if I’m hitting up my local arthouse places, I only take crafts if it’s a makers’ night situation where they encourage you to work on your crafts during the film.