That doesn't mean it's not a meaningful distinction. There are objective differences in the ways older people and younger people vote and think. You might not l

That doesn't mean it's not a meaningful distinction. There are objective differences in the ways older people and younger people vote and think. You might not like the exact way it's discussed, but there are objective material realities experienced by a person who grew up in the 60s vs a person growing up now, and these things shape their ideology and voting habits.