I think it’s appropriate that this generation of protesters have made their rebellion into something the public at large can engage with more readily than with half-hearted chants, with that traditional, downtrodden sort of British protest. These people look like they’re having a good time. And that sends out a tremendous message.
In the bolded line, however, Newt’s formulation does more than transpose 1968’s unemployment rate. He also echoes that era’s ridicule of youngsters who claim to make virtuous choices in rejecting an age of plenty’s norms and values. And this is where the anachronism of hippie-occupy comparisons really kicks in.