When you know an answer, write a proper answer. That's just good for everyone, and you will earn upvotes.
We've all written questions that aren't as clear to others as we thought it would be. It's okay to ask for clarification on such questions.
Questions that have the potential to be fixed should be clarified instead of closed. It is way too easy to ...
Yes, you should flag things like this if you genuinely feel that's the case. You're probably over-reacting though, but don't worry, it's a moderators role to take a balanced and impartial view.
You might find doing basic research before asking your questions results in fewer downvotes
I also refer you to https://space.meta.stackexchange.com/a/1420/20636