Unfortunately decades of far right am talk radio pipeline adapted very well to gel with online platforms. Then they were able to cleverly take advantage of algorithms to "red pill " people. Younger generations are generally more liberal than their parents but far Right strategies have made a big dent in that.
Plenty of boomers who actually marched for civil rights out there, and plenty of young people stanning turning point usa and mourning charlie Kirk
Young x and elder millennials overlap but I think thats more young millenials resembling genx than the other way around