From what I've seen they've changed more than that, such as adding tracks to replace what was removed and that the audio has been completely re-done.
They are releasing a playable sneak peak at 10,000, not just a video. The current video on the website is actually all done with in-game footage. The article has been updated to clarify that.
From what I've seen they've changed more than that, such as adding tracks to replace what was removed and that the audio has been completely re-done.