Sure, but I'd say that the philosophical musings of EA's leadership, events, university outreach centres, and official forum were more representative of "the centre of EA debate or culture" than pledge signatories, even though I've got wayyy more time for stuff like the Giving Pledge.

GiveWell continues to plow its own rigorous international development-focused furrow, but it's cofounder, once noted for calling out everyone else for lack of rigour in their evidence base, has moved on to fluffy essays about how this is probably "the most important century" because it's either AI armageddon or maybe his wife's $61B startup will save us all...