Your line of thinking is a typical ad hominem; you should evaluate an argumentation based on its merits, not what the meatball behind the online handle happens to do in his free time.
Ad hom is only fallacious if the information really is irrelevant to the argument [0][1]
[0]: https://en.wikipedia.org/wiki/Ad_hominem [1]: https://www.reddit.com/r/askphilosophy/comments/e01b9z/is_ad...