It often is, unless you solve a problem where it isn't (and at some point you will).

Nowadays I try to be very pragmatic about these things, but before I had a certain realization I just wanted things to fit neatly in classes and saw some beauty in it.

That was until I started using rust where this wish initially lead to a lot of frustration. When I finally gave in and did it the Rust "compositional" way, everything worked incredibly smoothly