Earlier quoted context omitted.
But what about the people who aren't idiots and can read sarcasm without the /s? I reflexively downvote ever comment I come across with a /s. People aren't idiots until you treat them like one.
But what about people who are in different parts of the world and don't inherently understand your meaning? That is terrible behaviour to downvote the notation. Text is notorious for not conveying context. Sarcasm can easily be seen as serious by some people, why is why we have the /s notation to make it obvious. People aren't idiots, they come from different backgrounds, locations, languages, and all use English as…
Poe's law exists but I'd rather pull up in discussion and intellect because I want to believe that people are smarter than we assume they are, in this day and age.