Yes, you have written exactly what is my problem with calling the same feature flag or dislike. The point is the best label would tell what it does and how you should use it properly, then you could decide it yourself.
Flag or Report is the worst, I agree.
Dislike is misleading a bit. I dislike a politician that you wrote a perfect article, so I hit dislike. It's very opinion based and that behavior would make writers populist.
downvote, works best with the upvote,
thumbs up, thumbs down all fine :D
I rarely place gladiators on their death ground.
The whole concept of the thumbs originates from the gladiatorial epics when the ruler chose based on well popular voting(screaming) :D
wisdom of the crown all leashed and everything :)