Which, for the record, has never been documented at all. Conversely, his black chauffeur insisted (post-mortem) that his former employer was always respectful, and the only time he even mentioned race was to ask what 'you people want to be called.'

The conversation was pretty non-exciting: 'What people?' 'Um, colored folk.' 'We prefer to be called black.' 'Oh, okay...' End of chat.

Someone seeking out the most respectful language to use - the opposite of bigotry.