Sometimes 'explaining what you said was wrong' is interpreted as showing you're a smarter/better person, rather than information sharing.
I liked this blog post about it.
https://status451.com/2016/01/06/splain-it-to-me/
Yes, that comment could just be trying to be helpful / clarifying.
I think it's not much of a stretch to say the upvotes incentivise the "popularity seeking" behaviour over "information sharing" behaviour.
As a non-native speaker, I have to admit I find it very very subtle, the kind of sentence I might speak / write / hear without even realizing something is off. Thank you for the link - the author's done a great job explaining it.
Yes, that comment could just be trying to be helpful / clarifying.
I think it's not much of a stretch to say the upvotes incentivise the "popularity seeking" behaviour over "information sharing" behaviour.