As machines creep ever further into work that requires thinking and judgment, human creativity, interpretation, emotions, and reasoning will become increasingly important. STEM may just lead to its own obsoleteness, and in doing so increases the value of professionals trained in the humanities.
No, they shouldn't. At least according to Douglas Hofstadter, who holds Ph.D.s in Comp. Lit. as well as Physics and has published extensively on artificial intelligence. His reasoning? Does making swooshing sounds while holding a toy plane qualify you to be a pilot? (That's exactly how he put it to me in an impassioned message.)