You don't know and you want to learn about it so you ask.
The IDEAL supplier of that information is factual and informative without being condescending or insulting. I know. Obvious right? Nope. Most information dispenser humans are that. They are factual and direct without editorializing in any way when they share the information requested. Trying to be helpful and not hurtful. If you start off with "you dumb a**", either stated or implied, anything that follows isn't going to be useful.