I don't get the impression she is racist, as far as I know. She does, however, seems to have been especially evil and loathsome to many of the people she has encountered along the way. L.M. reminds me of a female Janus.
"Noel [Coward] and I were in Paris once. Adjoining rooms, of course. One night, I felt mischievous, so I knocked on Noel's door, and he asked, 'Who is it?' I lowered my voice and said 'Hotel detective. Have you got a gentleman in your room?' He answered, 'Just a minute, I'll ask him.'" (Beatrice Lillie)