There are a lot of things running Windows because it's pretty straightforward to write a user-mode driver to interact with custom hardware compared to Linux, wh

There are a lot of things running Windows because it's pretty straightforward to write a user-mode driver to interact with custom hardware compared to Linux, where every driver needs to be in the kernel and built with the kernel. Yes, there's DKMS, but it's still more of a faff than the relatively plug-and-play mechanism that Windows offers, especially since Vista.