[starbeast]

>how did he come to the conclusion that these effects and psychological biases are undesirable and we should find mechanisms to avoid them

Given your desire that others provide you with strong evidence for visual biases in hiring being at all damaging, otherwise you will dismiss them as pushing a political agenda, perhaps you might be a perfect volunteer for the following proposal.

In this spirit of hard nosed logical inquiry, are you at all interested in helping the British Medical Journal with their double blind parachute study? https://www.bmj.com/content/327/7429/1459