Yup, I don't think any package manager has ever really done this well. But what makes the problem worse is that npm advocates using lots of small modules, and

Yup, I don't think any package manager has ever really done this well. But what makes the problem worse is that npm advocates using lots of small modules, and using them in an environment (the browser) where duplication weight has big negative consequences. I think there's a real opportunity to unseat npm if someone applied to same kind of UX-first thinking to package management that has been applied to other areas.