[jfkebwjsbx]

A good standard library helps, no doubt.

However, it is not required. One of the languages mentioned was C++. That language has a tiny standard lib in comparison to Java.

So it is mainly a "cultural" thing and how projects are structured and reviewed.

[addicted]

C++ had a tiny standard library.

That’s why Boost exists (although much of its functionality has been subsumed into the std lib now).