"(1) did it derail the conversation, (2) did my correcting someone make it less acceptable to not know something, and (3) was my motivation to do something like show off?"
Hallelujah! Someone who understands! :-) [1]
I've done it as well, and I hate it when I realize I am.
I suspect the worse part of HS' policies is exactly that "adjusting to the real world, where [it was very much ok to not know something] is subtly untrue, is a trial." In the typical business environment, appearing not to know something is a very unsubtle weakness.
Hallelujah! Someone who understands! :-) [1]
I've done it as well, and I hate it when I realize I am.
I suspect the worse part of HS' policies is exactly that "adjusting to the real world, where [it was very much ok to not know something] is subtly untrue, is a trial." In the typical business environment, appearing not to know something is a very unsubtle weakness.
[1] I'm completely unrelated to Hacker School.