Unfortunately declaring "let it be so" isn't enough to make it so. If you hire only people proficient with Linux, you won't create a sudden thirst for develope

Unfortunately declaring "let it be so" isn't enough to make it so. If you hire only people proficient with Linux, you won't create a sudden thirst for developers to grok Linux. Instead you'll have just limited your talent pool to the subset of developers who enjoy tinkering with OSes. If that's your goal, then great - but most companies are looking for people who can develop well, regardless of their OS preferences.