https://xkcd.com/1053/

Indeed, There's a reason I provided a reflective story that conveyed what I wanted to say without being confrontational.

On the other other hand there is a difference between not knowing something that a group knows, and informing a group of something that only one of them does not know.

The problem could be either that you are not communicating appropriately for the audience,or that you are unaware of the actual knowledge level of the audience. A person may be prone to either of these by being the one in 10,000, so they shouldn't be berated. So I chose to stick to offering information myself.