You very much lose perspective with age

I'd argue the opposite. Experience gives perspective. When I was 25 the world was tiny. I could only see what was in front of my nose. I thought I knew what I was doing - I didn't.

Sure, at a certain point you lose touch with the new generations. But the leaders of this country aren't trying to make the best country for 25 year olds. They're trying to make the best country for everyone. Also, average age is about 40 iirc