I sort of went the other way. I got into Macs in 1987 with an SE, after having various PCs, C64s, Ataris, and Amigas. Moved to a Quadra 700 for a bit, then eventually after a hiatus into a series of MacBooks (all the while keeping PC type gaming machines). I even begged for and got an iMac and then a MacBook Pro at work when pretty much the default was some horrific way behind the times Windows laptop or dismal desktop.
But now, as my MacBook Pro ages and Windows 10 is so, well, good, I have become progressively unwilling to deal with Apple’s ecosystem stuff and their idiosyncrasies. Great hardware, fine OS, I just find it easier to work with Windows. When I had to get a travel/meeting computer last year, I went with a Surface Pro 4, and love it. Fast, reliable (so far), and easy to use. My MacBook Pro at home is simply my iTunes machine now, and my work computer seems snail like compared to my Surface, not to mention my gaming rig. As they won’t give me an up to date MacBook Pro (everyone has to have portable machines for continuity reasons), I may have to just see what I can squeeze out IT in the way of a Windows box–but only when we switch to 10; right now, the whole damn campus is still on 7.