This is a repository for major, life-altering mistakes that you or others have made. Detailed accounts of specific mistakes are welcome, and so are mentions of general classes of mistakes that people often make. If similar repositories already exist (inside or outside of LW), links are greatly appreciated.
The purpose of this repository is to collect information about serious misjudgements and mistakes in order to help people avoid similar mistakes. (I am posting this repository because I'm trying to conduct a premortem on my life and figure out what catastrophic risks may screw me over in the near or far future.)
Looking like a nerd is not a disrespectful violation of decorum -- disrespectful violation of decorum was part of an analogy about first-order and second-order signaling. Sorry that this wasn't clear. I edited my original comment, and will restate and rephrase the crux of the comment here.
Let's take it as a premise that a large portion of people believe a nerdy appearance signals poor social prowess. Given the premise, people might emit nerdy signals anyway if:
You will notice that all of these explanations indicate the person has poor social prowess. Unless there is common knowledge) that the premise is false, a nerdy appearance is evidence for poor social prowess. The expectation that people who look nerdy have poor social awareness becomes a self-fulfilling prophesy.
ETA This line of reasoning isn't air-tight. Still, it's a strong reason why some nerd-friendly people take a dim view on a nerdy appearances.
I'm not sure this one belongs to the list: I'd figure that not having to care about strangers' opinion about you signals self-confidence, not “poor social prowess”.
True that -- you can only countersignal to people who already know you. But those are normally the only people whose opinions about me I care about (except in job interviews, first dates, and the like -- where someone who... (read more)