I use go because of the large and useful stdlib. I rarely have to reach for an external library, and even then I only consider libraries that are very popular. If a library isn’t available, I’ll just write my own, using the stdlib. I recently used the awesome crypto library to implement an envelope encryption system, I didn’t need anything outside of the stdlib or Google’s x library (x is effectively the experimental stdlib).

Having too much external code, like npm or rust crates, seems like a nightmare for me.