Yes, but surely if you use one hand for receiving something in Korea you're not gonna get physically attacked?
What's the eye contact part in Japan btw? You can't make eye contact when talking?
I agree though, have some respect for each other's values, and if someone breaks it, either just tell them (maybe they didn't know, although of course that's not the case when someone burns a specific book, but in other situations) or ignore it and go on with your own life. And rule one: don't go and shit on someone's values on purpose 'just because'.