This was announced a month or two back, complaint came out today, TL;DR the case theory is weak and perceived as rushed so many, many, states didn't opt-in and are working on their own action
(side note: winks at politically-based conspiracies aren't something I'm used to seeing on HN, it beggers belief that you'd have 36 states, mixed politically, agree to collude in favor of the checks notes DNC because checks notes Google's ex-CEO got involved in politics work checks notes after he exited)