STEM isn't everything and all subjects are important and difficult in their own way.
I do STEM A-Levels because I genuinely enjoy them and i'm a lot better at them than humanities or arts. I loved languages, music, drama and history at GCSE but I found them soo hard.
We need people who can write/express, communicate with other societies and entertain just as much as we need people to research, invent, calculate and solve.