Alcatraz Event on YouTube

YouTube coverage of the ExpreScion event held on Alcatraz Island recently. I am struck by the comments of one participant who is troubled that a party is happening on a site protected for its past agony.

Selling Scions by the Seashore

Toyota Scion
Alcatraz Island was used for a special private party on Saturday with the purpose of marketing the Toyota Scion to a youthful audience. Since when did the Park Service decide that 'car lot' was an appropriate use for our public lands?