I legitimately think they don't know. They don't question the fact that they are in an echo chamber. They don't notice.

I graduated from college relatively recently and my classes did not teach critical thinking. I was lucky to have had a thorough education in critical thinking skills when I was much younger. I have often wondered how many other Gen Zers never had that opportunity. I know I would be way worse off if I hadn't; it was one of the only things that saved me when I was pressured to transition. That, and the curiosity to Google more when I was confused by transgender doctrine.