I love really good food and I don't ever want to spend too much for it, but I like hanging out and having really good, tasty, interesting food.
I just don't understand how you can not be concerned about your appearance. From time to time I'm vilified as the person who cares about the look of a teapot - and it's not that I believe my taste is superior , I just can not believe that other people don't care.
Any idea can be brought into the classroom if the point is to inquire into its structure, history, influence and so forth. But no idea belongs in the classroom if the point of introducing it is to recruit your students for the political agenda it may be thought to imply.