I agree with much of what you say here. When the question is when did this person die, or did this person marry, and there is a link to the profile with names/dates/locations, and the answer is simply a census, or multiple census' or similar. Those don't answer the question at all.
Others show a bunch of links to persons with similar names- but entirely different locations or time frames because someone didn't click the profile link, just went to familysearch and plugged a name in.
And, yes I used to skip questions entirely if it showed an answer(s), thinking they were already complete, but finally learned the answer box marked doesn't necessarily mean a thing.
If you want to remove down votes, then I would think we should remove up votes too, and get rid of the points altogether, but some people want to be in a points game, so that probably won't fly.
I agree we need the Flag. I have seen some ridiculous spam here on occasion, as well as a very rare, distasteful/offensive/nasty post.