Well, what they hiring for, their questions in a specific language, how and who is evaluating the answers, the fact that a person is looking to work for them vs other companies are all biases. Nobody should try to extrapolate their results to the whole population of software engineers.

That said, Visual Studio is really on the rise. I used to think VSCode was late and could have never catch up with the Sublime's and Atom's ecosystem. So after trying it, I went back to my editor of choice. Lately though I went back to VSCode and I think it is pretty good out of the box and very good when you install the right plugins.