This topic seems to be the basis of every ''cut-feature'' argument that surrounds the game so I'll just post this article here so people remember the whole ordeal with the so called gameplay demo.
www.polygon.com
TLDR.
CDPR didn't want to release that gameplay featurette to the general public fearing this exact scenario that's happening now, but, because they seem to like pleasing their audience (sometimes to their own detriment) they caved in and now they're paying for it.
I guess, for better or for worse, they won't be as open with things as they were before. Which in my opinion is a real shame as I love to see how the games are made behind the scene hence why I follow Star Citizen.
But anywho, take it as you will.

Why the Cyberpunk 2077 developers were hesitant to show gameplay
“This is probably not the same game you’ll see on your screen when we launch”

TLDR.
CDPR didn't want to release that gameplay featurette to the general public fearing this exact scenario that's happening now, but, because they seem to like pleasing their audience (sometimes to their own detriment) they caved in and now they're paying for it.
I guess, for better or for worse, they won't be as open with things as they were before. Which in my opinion is a real shame as I love to see how the games are made behind the scene hence why I follow Star Citizen.
But anywho, take it as you will.