It's hard to "prove" anything in discussions like this. Having been thrown in a few million loc projects, all written rather badly, I found it way easier to fig

It's hard to "prove" anything in discussions like this. Having been thrown in a few million loc projects, all written rather badly, I found it way easier to figure out what was going on in the ones with static types. At the very least, if you're inheriting an unknown codebase static types are in my experience a 10x speedup when measuring time to actually getting productive.