Reminds me of an article I keep in my bookmarks from a long time ago, which is probably still true today: 39% of Americans think they are in the top 1% or that they will one day be [1]. They don't want to be mean to the rich because they think they are rich or will soon be among them.
1: https://www.nytimes.com/2003/01/12/opinion/the-triumph-of-ho...