I like Obama as much as anyone else. But that would've been bad for democracy. Not to mention the man himself. He looked absolutely shattered by the end of his second term. Executives need term limits. And possibly judges too; albeit much longer terms than the legislatures or executives that appoint them.
I agree with you that term limits for legislators are a dumb idea.
One of the distinctive features of such societies was the ability to switch jobs every few years, including changes from leadership positions to menial jobs, from engineering to humanities.
P.S. See Ivan Yefremov works for instance.
Because we have politicians who can barely walk and talk on their own they're so goddamn old. These aren't the best and brightest of our country, these are old people who can no longer string together enough thoughts to understand their mere presence is hurting the entire country.
Mandatory retirement age? Voters being adults and fucking paying attention, instead of acting like children and believing everything they see on TV and social media?