Originally Posted by
Heteronym
I would defend that comedy is certainly the harder the write.
Also, I think the dominance of tragedy has to do with what we want from art; I think most people want to believe that life is tragic because only tragedy elevates our suffering to something resembling poetry. There's something enjoyable about a tragic view of life because it makes our little lives seem noble and epic.
Then comes comedy taking us down a notch or two, telling us life is absurd, silly, pointless, that all our suffering and complicated relationships are meaningless and that our values aren't really special and that we're just fooling ourselves by thinking that we're anything unique. Comedy is an acid, it corrodes things, especially our illusions, and it's not what people want to hear.
Tragedy is a lot more reassuring than comedy.