I'm sure the advertising agency caught on the meme and though it would be great idea for an ad campaign: "So good you would wet yourself with excitement" and so it came to pass.
I'm not rich enough to buy clothes from there, but somehow I doubt those who are, will consider clothes from there again. Divorced from reality is probably the nicest thing you could say about the ad agency, although divorced from the contract is likely to be the result.
Anyone want a pair of shop soiled trousers?
More on the story here.