Indeed!The clue is in the letter S - - - > "Sh..t"
Probably, its just MS don't seem to make it easy for various reasons. The Rufus tool probably just puts those commands in to the install execution environment but it has a couple of simple tick-boxes for you to make it really easy.You can bypass account creation with genuine windows boot usb. It's just couple of commands during install.
I avoids Windows as far as I can these days, though I have programmed for it in the past (along with DOS, VMS, Solaris & Linux for my sins). For the last 10 or so years I have rarely needed it at home or work, and have VMs with Windows (w2k, XP, 7) that serve for most occasions where I do need it.