>>A friend of mine from India once told me "if a mob would burn down your restaurant if you got caught mixing meat and vegetarian, you'd take it seriously too". I still don't if she was joking with me, and if so to what degree.

Yes, that is (unfortunately) a possible outcome, if not outright murder by an angry mob of people who take their religious and societal taboos too seriously[1].

[1] http://www.theatlantic.com/international/archive/2015/10/ind...