Another thing that was tickling the back of my brain while reading this was "the failure mode of clever is asshole,"[1] which is one of the most helpful blog posts I've come across. I personally have to work very hard to mute my initial interactions down to what's appropriate for a low-context introduction. The oddly coined phrases (e.g. "findicators") that others have commented on fall pretty squarely in this category.

[1] https://whatever.scalzi.com/2010/06/16/the-failure-state-of-...