Read a Sociology textbook.
Gen X was the generation that experienced high rates of parental divorce resulting in single parent families. That led to kids having to learn to take care of themselves. Get yourself up in the morning, get your own breakfast, get yourself to school. Come home to an empty house. Do your homework. Get your own dinner. That's where the term "Latch Key Kid" came from. GenX kids had to take on more personal responsibility at an earlier age. As adults, they are more likely to solve problems themselves and be more self-reliant. And want government out of their lives as a result.
The Millenial Generation is different. By the time they reached the same age, there was more social structure in place to accomodate for this. They were more coddled. They had more supervision and were thus less self-reliant as kids. As a result, they are more likely as adults to look to authority figures (government) to solve problems. They are more likely to embrace government interaction and involvement than previous generations.
Actually, most Karens fall just outside the GenX ages and are older Millenials instead. Karens are generally more self-entitled. That's a more GenY quality than GenX.