Originally Posted by HansGolden

+1

I think the place that it brings the most outsized value is when there are contradictory posts. It can be made clear to newbies or to those who don't know the answer, which of the contradictory posts is correct.

But in general, I just like positive feedback. I think it incentivizes quality content. If I receive 10 Likes for a post, it makes me more likely to take the time to contribute quality content in the future. It's just human nature that we like having our efforts appreciated. And appreciated in a way that doesn't sidetrack and clutter the thread.