> For example, there's a stereotype of "nerds" pedantically interrupting everybody to correct minor or irrelevant details ("um actually..."). Now, stereotype aside, this type of behavior is genuinely offputting and counterproductive.

The silver lining is that this behavior can be consciously suppressed, if the importance of suppressing this behavior is successfully conveyed to the person doing it. I wish somebody had taught me this lesson when I was younger, it could have saved me a lot of trouble.

Bottling up this urge is difficult though, so I use the internet as an outlet for it, sparing the people in my life I actually care about.