Example:
Dave: The sky is green.
Bob: Wrong. The sky is blue.<p>It just makes you look like an asshole. Be more tactful and civil in your discussions. I promise you people will respond more favorably if you don't come out the gate blaring a buzzer like a game-show host.
<i>Be more tactful and civil in your discussions.</i><p>Not every opinion is valid or deserving of civil rebuttal. It's a result of modern "every opinion is equally valid as fact" syndrome. We don't have time to cordially try to rewire your brain to think the sky isn't green.<p>Also, when trolls are trolling, they <i>want</i> elaborate thought out responses to their drivel. It's easier to shut them down with "wrong." And, as we know, you can't distinguish an intentional troll from someone with sincerely warped views of the world.<p>In short, shut it all down. They should be inspired to research their wrongness to turn into more right-thinking apes.<p>[relevant life story: one of my high school math teachers had a big "WRONG" stamp (with red ink) he would enthusiastically smash onto your work if you were, well, wrong.]
I'm dealing with that right now. Completely negating someone's opinion only shuts down communication. It's all in the phrasing and makes it sound like you are on different teams, especially in a work environment.
Of any of the proponents of the "Wrong. ..." response, I wonder how many would use this phrasing face-to-face as opposed to online. Unlike my younger days, I do my best now to converse online as I do and would IRL and I find that this is one of those phrases that does not pass that test. IRL it would be considered plain rude and obnoxious.
If this is pet peeve time then I'll go with the alarming number of sentences people want to start with the word "So". It makes you sound like you're in constant rebuttal mode and trying to lay out the one true world view.
Wrong. People should learn to make the difference between an sentence they're issuing being wrong or false, and they being bad. "wrong" does not mean they're bad persons. Perhaps at most that they're lazy or bad thinkers. That's all. In any case when something is wrong, it would be wrong not to stop it immediately, telling it wrong.