I held off on Windows 10 for as long as I could until Adobe, and therefore my job, required it. Now this nonsense. I hope this isn't the start of them joining on the web DRM bandwagon.
Tbf, while daily-driving Firefox I do occasionally encounter websites (mostly web apps) that do not work on Firefox. But it's often a pretty simple fix, like sometimes I can get around it myself just through Dev Tools shenanigans.