It's interesting. I did notice the experiment object (I won't spoil it for people that haven't watched the video and read the article) but I didn't see it until almost the very end of the video. I don't consider myself in condition yellow all the time though. I am in condition white most of the time and only go to yellow when I get cues from the environment that alert me based on my own experiences.
In the card one I missed 3 of the changes completely!!
If guns were outlawed, then only outlaws would have guns.