The things which use my disk are things like package caches in several languages, build artifacts in both release and debug, multiplied by worktrees, things like iOS device support and release files + simulators, docker containers and related.

I had to give up on things like Lean theorem prover projects and VM projects because the disk space wasn't there.

The causes of disk waste are manifold and usually can't just be disabled and even when they can the result is constant rebuilding, redownloading, etc.

Too many developer products act like disk and memory is free to waste and the consequences have gotten ridiculous.