Once You Download A Game On Xbox One Do You Need The Disc

The disc should still be required to prove you own the game.
Once you download a game on xbox one do you need the disc. Although it does save your bluray. You can always play digital games when you re installing a game from the microsoft store xbox game pass or from disc. The upgrade to the sx version is still built upon you owning the x1 version which the disc confirms.
Yes you do and i thought the point was to bring back drm in some form. This was the trade off for allowing offline play for disc based purchases after installation. Without that or some way to play installed games without the disc installation is stupid.
The bitter truth is that in the grand scheme of.