Actually, because Node.js has a proper module/namespace system, people are instead encouraged to create a lot of micro libraries (e.g. less than 200 lines of code).
So rather than importing a single big library in your application, you would instead import a lot of micro libraries (each of which is versioned separately, and might have their own dependencies).
There are pros and cons to big libraries, and pros and cons to little libraries. I think languages should have good support for both.
Yes, I love the trend towards micro libraries because they encourage people to pull in precisely the functionality they need. That aspect of Node is not part of the problem.
