Exactly I agree with you but I also have to add that there’s another factor at play. Half of the success of Windows and macOS lies from the fact that they provide solid and stable APIs and development tools that “makes it easy” to develop to those platforms. Linux is very bad at that. If major pieces of an OS are constantly changing and it requires large re-works of the applications then developers are less likely to support it. To be fair the Linux situation might be even harder than that - there are no distribution “sponsored” IDE (like Visual Studio or Xcode) and userland API documentation, frameworks etc. Besides, Linux has the worst track ever of supporting old software, even worse than Apple and I believe this speaks volumes about the situation.

Until we don’t get a single DE with a single solid and well designed theme, UI library, developer friendly frameworks and whatnot Linux won’t be getting any meaningful traction among regular people and professional developers.