This sounds crazy but the truth is that it is not that hard as you imaged. However, when one of your Windows computer got crashed or couldn't boot as normal, how to create a Windows bootable USB if you only granted access to a Mac computer? Whether you're doing diagnostics, system repairs or even on clean install, it's much more convenient to have a USB drive rather than a physical disk, which can get damaged more easily. A Windows 10 bootable USB comes does a great help in a variety of situations.
Windows and macOS are the two most popular desktop operating systems till to now.