I like your reasoning, I just saw a personal problem with this one, and I think the action taken fixes it fine.
> This situation is exactly what the down-vote button is for. If you down-vote incorrect answers and up-vote correct answers, then the correct answers will appear first.
But the answer is 10 years old and garnered a BA + 4 votes for a wrong answer. That was really the whole shtick I had with it. I know advice-based posts are different, but the answer here was pretty clear-cut; of course I'd see the problem with things asking for *possibly* subjective advice approaches.
Unresolved button would be a great idea, honestly.