I can't stand the reliance on real world problems. The genius of maths and science is using mechanisms that are inherently abstract (and non-obvious) to help u

I can't stand the reliance on real world problems. The genius of maths and science is using mechanisms that are inherently abstract (and non-obvious) to help understand the world. Surely a main part of learning about maths and science is creating and using mental models rather than relying on your own understanding.