"Simply knowing about biases does very nearly zero for your ability to overcome them, or to spot them in yourself (vs. spotting them in others, where it's easy to do all day long.)"

I looked briefly at the evidence for that. Most of it seemed to be from the so-called "self-serving bias" - which looks like an adaptive signalling system to me - and so is not really much of a "bias" at all.

People are unlikely to change existing adaptive behaviour just because someone points it out and says it is a form of "bias". The more obvious thing to do is to conclude is that they don't know what they are talking about - or that they are trying to manipulate you.