Unless I'm mistaken they did the Wrestlemania press conference from there as well.
I'm sure it doesn't bother Vince all that much. Sure, it ended up going under, but in fairness most of the big themed restaurants in that style (eg. The Fashion Cafe; Planet Hollywood) bombed miserably as well.
So Metzler's saying that the boring chant is part of a push for Storm, inspired by the "You Suck" chant, and designed to help the audience "get it out of their system" since WWE is pushing a slower, less injurious style of wrestling.