Interesting tidbit ... this was the exact sentiment behind the lines in Don Henleys classic The Boys Of Summer Out on the road today I saw a Deadhead sticker on a Cadillac. A little voice inside my head said: Dont look back; you can never look back.
The term ‘Limousine Liberal’ appears to go back to 1969:
https://en.wikipedia.org/wiki/Limousine_liberal