Monday night, a large crowd gathered at the Advisory Neighborhood Commission 3F monthly meeting to ponder a series of proposals from Comet Ping Pong owner James Alefantis. The crux of the matter: a request by Alefantis to lift a voluntary agreement between his business and the commission regarding the operation of his restaurant. But the larger than usual crowd was a sign of things to come (or a sign of what had already passed), and…