Not only separate budgets; the online version of the store is probably a separate company (though they obviously work together very closely to ensure they present the same 'face' to the public).
As other posters have said, the product may be the same but they're offering completely different services.
But I do agree that clicks will gradually drive out most of the mortars.
By the way, am I the only one to get irritated by people Randomly putting capital Letters in their sentences For no appparant Reason?