It is all a matter of number engineering, after all, as by the old account tale, which got hired because it answered correctly the interview question with "what do you want the numbers to look like?".
Outside countries like US, and similar economically level, Apple desktops will never be a big presence, unless they change their premium price policies.
On the same markets, hardly any normal person can buy GNU/Linux desktop/laptops on regular computer stores.
Their choices are between Windows, ChromeOS and Android tablets with detachable keyboards, which naturally makes most pick Windows regardless.