This looks to be a technical solution to a social problem. What exactly is wrong, from a participant's perspective, with existing forum software? Sure, EE and p

This looks to be a technical solution to a social problem. What exactly is wrong, from a participant's perspective, with existing forum software? Sure, EE and phpBB et al are terrible technologies, but are the needs of the various communities really not being met? If so, how is Discourse an improvement?