this video was posted recently and the location is Stevenson near Brady (off Gough), or right behind Buck tavern, Chris Daly’s new bar. The poster describes this as The New Tenderloin

This video was shot in the last month of 2010 and the first month of 2011 in San Francisco, as the city declines.
My neighborhood took a wicked dive and is now known as TNT: The New Tenderloin.
The video shows two of the regular young drunks that have turned up on Stevenson St. every single night.
They huddle in a patch of darkness not lit by any security or street lamp. They get drunk, get loud and want to involve everyone in their drama.
See it for yourself.