Mm. To be so omnipresent as they've been made out to be, they should. And they should be able to pinpoint where the source of a problem has come from.

At the very least, if they have more agents than those angels that we've met thus far... they should have the numbers for a network that can gather information and help solve their problems.

[ he might not have known the precise cause or occurence of problems right away, as archon of liyue, but he sure found out fast. ]