Every morning some startup founder rises and thanks our species for its short attention span. If we didn't forget the innumerable failures of yesterday, who would ever fund their close cousins today? The same goes for the people behind the debacles—people like our old friends Peter Shih and Greg Gopman, who are already banking on amnesia, if not amnesty.

Behold a perfect Silicon Valley denizen, an archetype: he's been written up in TechCrunch for his hackathon-organizing company. He's been fluffed in Business Insider. And now, inevitably, he's publicly savaged the homeless and generally less fortunate of San Francisco.