report a quiz?

Although you should only report quizzes if they

A) are just a direct copy of someone else's quiz, obviously some quizzes are more simple and can be accidentally repeated, but some with the same elaborate svgs and such should be reported.

B) if they are in the wrong language section.

C) if they contain wildly inappropriate content, or if they share the private info of someone

There are probably other reasons but I can't think of them

But you shouldn't report quizzes for being inaccurate or incomplete, that's what the comments are for, yeah they might not see your comment and update it, but in that case it's still not a reason to report it, just make your own quiz on the topic or find a different one.