What reason would the Obama daughters have for being interested in STEM? They are royalty now, with the gates of power and prestige and celebrity opened to them

What reason would the Obama daughters have for being interested in STEM? They are royalty now, with the gates of power and prestige and celebrity opened to them for the rest of their lives. Why put themselves through the work of a STEM education? Pre-law is much easier. It's an incredibly rational choice.