I know what you mean. I hate asking for general, because I want to cut to the chase. I want to go to my desired area and not waste time, and I was worried with Yona she would go into areas I'm bothered to know about. Luckily she picked up the situation and some stuff she said was decent, I wouldn't say (like you) she was awe inspiring and I do find her a little overrated the way she's spoken about on these forums. She did have to ask questions, but she was good enough.
On the flip side, I guess it's good if you give a reader general and to test how good they are, see if they're able to pick up your situation without you having to guide them to your specified area. Also, if they aren't getting much info in the area you want to look at is when they start to become inaccurate and start making up things or over exaggerating things.