Earlier quoted context omitted.
> Spending time on social networks doesn't cause unhapiness > And the more you time you spend on it, the worse you feel about your life These two statements directly contradict each other. If something gives you a brief jolt of happiness and "the more time you spend on it, the worse you feel about your life", it's only superficially true that it gives you happiness, and it's much much more correct to say that it caus…
Because you're taking it out of context
Or perhaps you're just misunderstanding my complaint. The comment taken as a whole ("in context", if you prefer) proposes that social networks provide a brief jolt of happiness in the short-term, but its net result is making unhappy people feel more unhappy in the long-term. Under those assumptions[1], only the most committed pedant would claim that it's incorrect to say that "social networks don't cause unhappiness" is true.
[1] This is the reason I clarified that I was limiting myself to your comment, because the question of whether your assumptions are true is another one entirely.