Governance is always generational, and they are the generation in power at the moment. The environmental movement ("Global Warming"), the anti-war movement and the scourge of political correctness are what endanger us as a nation -- all the DIRECT RESULT of the '60s - early '70s generation grown up into positions of power.
Look at the White House and Congress. I would say there are few hardcore hippies in political power. But I get your point, you're talking (I think) about activists who are just much more noisy now than in the past. As for political correctness, it's fading fast. And from what I can see, it's strongest footholds are in organizations and not in everyday life. Non-politically correct entertainments are hugely popular. Despite it's annoying aspects, rap/hip-hop are hugely politically incorrect. There's also a comic on cable television (can't remember his name) who is a protege of Mel Brooks who also makes a point of being politically incorrect.
Here is a statistic. Plot the draw down in military strength since 1987. Then, on the same axes, plot the percentage of leadership jobs in government, and in business, held by ex, reputedly ex and continuing hippies. Note the correlation.