If you are brainwashed to only do and think what Microsoft tells you, then yes it is true
If however you can think for yourself, then you can make a copy of Windows to Go from any version of Windows 8 or 10 using tools like Aomei partition assistant or WintoUSB
https://www.disk-partition.com/lib/wintogo.html
https://www.easyuefi.com/wintousb/
So the answer to your question is YES, and/or NO depending on whether or not you drink the Microsoft Cool-aid
Good to know.