At its core, that's a fully accurate description albeit a misleading one (along the lines of claiming that central AC is just window AC but without something st

At its core, that's a fully accurate description albeit a misleading one (along the lines of claiming that central AC is just window AC but without something sticking out of your window). As it turns out, UX matters and Slack delivers far better UX than IRC since one single entity can control the entirety of the communication pipeline (from protocol to how messages are displayed).