Protests like these are often what politicians' lives are built on. These students will be seen on the right side of history, and to have the conviction to be jailed for it? That would get my vote.
The hippies were a tiny minority. They were called the counter culture for that reason. They never had a chance to make an effective larger change, because there just weren't enough of them
My parents are in their 70s and 80s, as are their friends. The ones that overdid it with the drugs may have shortened their lifespan, but there were/are plenty of earthy/crunchy hippies that never even did more than smell weed. My mom and her friends were/are some of them