Tim Ellis, the NFL’s chief marketing officer, says the league’s own data bears that out. “There’s no strategy for bringing in a 35-year-old fan for the first time. You have to make them a fan by the time they’re 18, or you’ll lose them forever,” he said.
https://www.washingtonpost.com/sports/2020/11/24/gen-z-sports-fans/?tid=ss_tw