[isthiseasymode]

I believe they mean that the user base is mostly on windows. All of the major game engines already work with Linux and even MacOS.

If they want to make money, they need to develop and test on windows.

[dontlaugh]

The tooling doesn’t work on anything other than Windows, for both Unreal and Unity.

[isthiseasymode]

I write Unity games on my Mac. What do you mean?