Why are some people just inclined to hate on things? To pick the dumbest, most negative facets of a situation and focus on them exclusively, ignoring anything good that might be there in favor of just ragging on things? According to a new study published this week, we may just be born that way, having a “negative dispositional attitude” from birth. The study by researchers at the University of Illinois and University of Pennsylvania sought to explain why some people are just so relentlessly negative about the world around them, though they presumably did not take ask the simplest question involved there: whether the world objectively sucks. Instead, publishing …