Many would call Overcoming Bias cynical, controversial, far-out.
It is written by self-described “bullet-biter” Robin Hanson. He studied physics and AI, and then decided the real place to make a difference was in economics and politics.
One of his main ideas is how everyone is selfish, and how almost everything we see that seems not selfish is “signaling.” For example, someone might pretend to care about honesty, when they’re really just selfish and think that it would be useful for them to appear or even behave like an honest person, so that lots of people will be their friends.
Clothes are signals, manners are signals, professions are signals, political views are signals, morals are signals, etc. Everything.