For point 1, that does not seem evident in these tweets. They seem to move the man and woman to different seats, not the bystander passenger. One even noted tha

For point 1, that does not seem evident in these tweets. They seem to move the man and woman to different seats, not the bystander passenger. One even noted that their seat was left empty. For point 2, that may have been the case for some of these tweets but I don't think that holds true for all of them. Some of these people understood that this person came from a different culture. One even said "the chasidic Jew." [sic]