I think -anti-establishment- is quite dead..
In modern times, it's really only been leveraged to create OTHER -establishments- to challenge existing ones..
But to fundamentally Adhere to Perfect-individual-freedom is flawed, in that it's NOT possible.
The Idealized PUNK is not someone who dresses funny and listens to rock music.
RATHER..
A punk is a Farmer who grows and raise all the food, enough to support himself..
-- How he wears his hair has NOTHING to do with it.
-- The Punk- SUBculture that deals in fashion, is mostly a case of rebellious teenager syndrome which has been exploited as a vehicle for poorly made apparel... and rudimentary musical arrangement.