When you are talking large companies, you have to understand that any opinion is a partial opinion. it could be one team that likes a tool, it could be most of

When you are talking large companies, you have to understand that any opinion is a partial opinion. it could be one team that likes a tool, it could be most of the organization. Also, having something in production doesn't mean it's liked: Maybe something that looked rosy and nice at one point now is seen as a nightmare. It's just that when big corporations regret something, they rarely do it publicly. It's amazing how many projects that are seen as wonderful tech successes, are big failures in practice. When talking specifically about NodeJs, in at least one of the cases you mention, there is a lot of skepticism about their experience, and barring a few champions of the faith, high profile Node uses would be rewritten into something else.