Is only the middle class on linkedin?

Today I started thinking about the differences in upbringing in middle and rich class kids. I'm a middle class child and we have been told to go to school, go to a uni and then get a job, or in some few cases, to become an entrepreneur/start a buisness. We don't really have a maa-baap ka dhandha to take over. I really want to go into the psychology and the thinking pattern of these rich class kids. What kinda goals do they have? What backgrounds they come from? What kinda careers do they go for? What kinda people do they have in their inner circle? And ofc you won't ever find them on LinkedIn.