It's not that essays should be tweets, it's that I and a lot of other people here prefer a particular style of writing. Think of "Surely You're Joking, Mr. Feyn

It's not that essays should be tweets, it's that I and a lot of other people here prefer a particular style of writing. Think of "Surely You're Joking, Mr. Feynman!", a fact heavy almost detail free style. But most people prefer a longer story based style and I suspect most people on HN today are of that type.