I haven't been to Ritual, but for places like Blue Bottle, Sightglass, Four Barrel, etc it might have to due with them using pretty light roasts combined with a

I haven't been to Ritual, but for places like Blue Bottle, Sightglass, Four Barrel, etc it might have to due with them using pretty light roasts combined with a V60 (or the slightly different pour over brewer that Blue Bottle uses). I like my coffee bright / acidic though.