The nature of progress is movement relative to the position currently being held. I bet you're right that a lot of people are just thoughtlessly bandwagoning, but I bet the blanket dismissal of progressive attitudes also misses a lot of people who are thoughtfully deciding where to go from here.
My point though was not about the progressive attitudes, as much as about the ridiculous excess ("guys" being offensive, etc). In a decade or so these would be viewed the same way most people viewed hippies after the 70s...