What a garbage pitch.
Most folks are already signed in with a Microsoft Account, thanks to years intensifying setup shenanigans. It's very hard to create a local-only user on initial boot.
More than 1% of your users will come from that background.
netsh interface set interface "Wi-Fi" disable
Then reboot, then when the screen comes that asks you to select a WiFi network but the list is empty you need to bring cmd.exe again with shift+F10 and type OOBE\BYPASSNRO and then it will automatically reboot and have a new screen that has a button made of only text that doesn't look clickable that you can click to skip and it will let you set up a local account.
“On display? I eventually had to go down to the cellar to find them.”
“That’s the display department.”
“With a flashlight.”
“Ah, well, the lights had probably gone.”
“So had the stairs.”
“But look, you found the notice, didn’t you?”
“Yes,” said Arthur, “yes I did. It was on display in the bottom of a locked filing cabinet stuck in a disused lavatory with a sign on the door saying ‘Beware of the Leopard.”
― Douglas Adams, The Hitchhiker’s Guide to the Galaxy