There's the kind of regular who's been thinking seriously about AI safety and alignment since pre-2022, who have passing to intimate familiarity with the funding ecosystem, the Sequences, and various conferences that happen at Lighthaven. Let's call them rationalists.

... Let's not, because a bunch of us here fit all those descriptions, yet are clearly not "rationalists". The way that they use that term makes it synonymous with Orthodox ("right practices/thinking").