[bigfatkitten]

Most businesses of any sophistication need specialised software developed only for Windows.

The local car dealership runs factory diagnostic software on Windows.

The two-way radio shop tunes and programs radios using vendor software written for Windows.

Your dentist runs their practice management software runs on Windows, and they Windows software to control other expensive equipment like X-ray machines and 3D scanners.

[rawgabbit]

Those businesses need their software; Windows is an unfortunate side effect. Well those businesses are in a world of hurt as Microsoft forces them to upgrade to Windows 11. e.g., many ATM machines still run on windows XP because the big banks can shoulder any financial loss but small businesses can't. https://www.bbc.com/future/article/20250516-the-people-stuck...

[vazark]

That's the catch-22 problem. The underlying logic and software rarely care about the platform. They are usually just built Windows because that is the default OS on anything that is not a Mac.