Odd Internet Speak -- Using 'Correct' to Express Agreement

Has anyone else noticed random guys writing &ldquo;correct&rdquo; under other people&rsquo;s web comments? They are responding to something that makes sense to them or that they agree with, but to me it comes off as a combination of arrogance, ignorance, and social ineptitude. Is this usage of &ldquo;correct&rdquo; a weird side effect of judgy social media rhetoric? Or do I need to recalibrate…