> The end result is essentially the same, yes - all directly requested dependencies, and all of their transitive dependencies, are extracted and installed on disk into `./node_modules`.

Well, no. Not if you use Yarn's zero-install or PnP or whatever they call it. It doesn't create node_modules and thus it's not very compatible, and that's the problem everyone is complaining about.

And the lockfiles aren't cross-compatible either.