Dual-booting is great. You can have a Windows install for proprietary applications (be it overpriced office suites or convoluted CAD packages) and those AAA games that don’t quite work with Proton. And when you’re done with those, you’re just a three-fingered salute away from Linux, where you can do everything else.
But what happens when it goes wrong? Well a quick DuckDuckGo search gives one an idea: “Windows updated and broke Grub”,