>If we can’t assume any kind of common base-line level of background experience but need to re-hash all of school mathematics in every conversation, then it’s h

>If we can’t assume any kind of common base-line level of background experience but need to re-hash all of school mathematics in every conversation, then it’s hard to have a technical discussion. We can have any kind of discussion we want, but whatever the participant's level of understanding, talking down to them is unacceptable. You don't need to dumb things down here, but when someone doesn't understand what you meant, you can ignore it or help out, just don't be condescending.