We're getting into a discussion of perspective and I'd just as soon not Go There.

Advances were made under FDR are still with us.  Advances made under FDR have been lost.  Some of the people in the FDR administration responsible for those advances came from the Left; some of the people in the FDR administration came from the Middle, some from the Right.

I'll merely note that was 60/70 years ago and leave you with the last word, should you care to give one.

Ever since I learnt about confirmation bias I've started seeing it everywhere