Give the people Bread and Circuses. Bread and Circuses'..The trope name (Latin: Panem et Circenses) comes from Roman poet Juvenal's metaphor for people being willing to give up civic responsibility for a reasonably stable status quo (the 'circus' in question being an arena for spectator sports like races). When the people are well-fed and having fun, they are not likely to protest against those in charge, leaving them theoretically free to do as they please..
So that is why there is such a culture of this - It is okay to drink beer, get half naked, paint yourself and scream at overpaid steroid head cry-baby entertainers, all the while psudo-fulfilling your suppressed hunter and self-identity desires.
Dare to do the same, say rally against injustice, the madness of the governments, or something else that really matters - and you are deemed estranged from 'so-called' society.
Alex rant that really hit it on the nail -