Read more on this subject: American History
Feature Article by Paul Rosenberg
The term "Herbert" referred to a stiff, rule-keeping bureaucrat.
Tie-dye was the clothing of hippies; it was made with bleach and strings.
Being old enough to remember how things were "back in the day," I'm always half insulted to see very fine establishment types – people whose livelihoods rest on uncritical obedience – trying to align themselves with nonconformists they would have hurried away from back in that day.
Obedience was not cool back in the '60s and '70s. In fact, it was derided. Here's a Beatles lyric that was sung as a condemnation:
Once upon a time there was a boy named Ted. And if his mother said, "Ted, be good," he would.
Notwithstanding that I have a strong preference for well-behaved children, I think you get my point.
So when I saw some footage from the very presitigious Kennedy Center Honors, celebrating bluesman Buddy Guy, I recoiled. Here's a still from it: