Originally Posted by ossipago

A lost art? Since when? You don't actually have a right to not be lectured. Especially in an airplane, which is not in actuality a public space but pretty much functions like one. The founders of the U.S. did not protect a right to silence or to not be annoyed, but the right to speech. If you don't buy the arguments, fine - but listening to them IS the price you pay for living in a "free" society (one, which, by the way, subsidizes the price of meat to a vast extent).