In science it often happens that scientists say, «You know that’s a really good argument; my position is mistaken,» and then they actually change their minds and you never hear that old view from them again. They really do it. It doesn’t happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
Carl Sagan, 1987
Nudging is an interesting technique to change behavior and habits, and it’s good that its implications are publicly discussed. Esp. during the current pandemic. Mallen Baker has an interesting video online, in which he discusses nudging, manipulation and Covid. His presentation style is interesting as well. Calm yet interesting. And he seems to be even-handed in this video, coming to a very differentiated view: