A lot of the ageist discourse is, imo, an outlet to do with our fossilized and decrepit political system that doesn’t really represent, let alone try to represent, the majority of Americans, and the old foagies are just a manifestation of that fossilization.
I guarantee most of chirping from the left would cease is the congress was full of Bernie clones!
This being because “I’m not too concerned with who the representatives are so long as they do good things that I agree with” seems to be the default position of the majority of people especially outside the maga sphere