What possible justification is there, critics are asking, for Y Combinator to retain as a partner a person who not only served as a delegate and Republic National Convention speaker for a presidential candidate associated with white supremacy, misogyny, xenophobia, and fascism, but who is willing to donate over a million bucks to that candidate at his nadir? What kind of message does that send to, say, the women and racial minorities who are already so often ignored in Silicon Valley? Why not replace Thiel