lord_blex;n9855081 said:that milestone isn't necessarily the engine being done. that was a separate question, and he didn't say they "just finished" it, just that it's working.
so the milestone could be anything. even the engine being done
I mean.. that's how journalism works
most of what was said was general enough that yes, they would know. the current state of the game really wasn't the point of the video. even he pointed out that the game could be different now than what he was told.
Regardless, its all hearsay, and no it wasn't general enough that they could know all of that, as it was pretty specific and far reaching. But hell, if its all 100% (which I doubt) then CDPR are masters at cleaning up their mess time after time.