I think the answer to your question of "What drives this line of thinking" is simpler than you think: - More popular libraries are better maintained and have m

I think the answer to your question of "What drives this line of thinking" is simpler than you think: - More popular libraries are better maintained and have more support - More people use them (obviously), so more problems will already have already been solved the ${library} way - Much easier to hire developers who know the more popular libraries