But if the community is going to grow, these people are going to need some common flag to make them different from anyone else who decides to make “rationality” their applause light and gather followers.
What, you are not allowed to call yourself a rationalist if you are not affiliated with MIRI, even if you subscribe to branches of Western philosophy descended from Descartes and Kant and Vienna circle...?
I grant that I was talking out of my memory; the previous time I read the LW stuff was years ago. MIRI and CFAR logos up there did not help.