Conversation so far:
What did John Maynard Keynes think about race?
John Maynard Keynes's private letters contain portraits and descriptions, some of which can be characterized as antisemitic, others as philosemitic.
Were John Maynard Keynes views popular?
Scholars have suggested that John Maynard Keynes's private letters reflected clichés current at the time that he accepted uncritically, rather than any racism.

Question: What did he think that could have been racist?
Self-contained rewrite: What did John Maynard Keynes think that could have been racist?