I haven't encountered these individuals either, but they certainly exist. Class barriers are often considered in the abstract, but when it comes to physical manifestations of these differences, it can be raw and visceral. One photograph that stuck with me was the "eat the rich" [0] spray painted in Beverly Hills park during the early Covid protests.
I'm not arguing about their existence. After all, there are very strange people in the world.
The "eat the rich" mantra is a manifestation (although not really physical) of the incredible and widening gap between the middle class and the rich. Generally the life of the lower and the middle class has become more precarious while the top 0.x% have become obscenely more wealthy.
[0]: https://i.dailymail.co.uk/1s/2020/06/15/16/29633080-8422685-...