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We need to flesh this out, but the idea I have in my head, and that I recall discussing on the forum thread (which I haven't gone back and reread yet), is that in addition to votes we'll allow people to add reactions like "this worked" (and maybe a few others TBD). These would be public, unlike votes, would be displayed with the answer, and would have no other effect. The asker is free to indicate that more than one answer worked; people who aren't the asker are free to signal that something worked for them. We're not aiming for this in the "1.0" (MVP) release, but it's something we want to look at after.

The same mechanism would allow experts (or people who claim to be experts) to indicate "this is dangerous", at the cost of having to own that.  That's not likely to come up on Writing but could come up on a Chemistry site, for example.

These reactions would be purely informative, and it's up to the reader to evaluate them including considering who left them.  I wouldn't want to automatically enable them on sites that don't benefit from them, but it's a possibility for later.

But, to go back to Mark's point, the original asker of the question doesn't get special status here, and certainly we don't want to grant one person the ability to change the sort order.  The whole point of community voting is community assessment.