I also opt-out when I fly to the US (several times a year) but I get the impression that it's becoming more rare for people to do that. They used to sometimes t

I also opt-out when I fly to the US (several times a year) but I get the impression that it's becoming more rare for people to do that. They used to sometimes treat you with a bit of contempt, and now it's more like "really?". I think a lot of the pressure has died down and the public has unfortunately learned to just live with it.