The business community wants everybody and everything as replaceable and fungible as possible, to its long-term detriment. That so many see short-term "success" and call it that should be far more appalling than it seems to be.
Take Circuit City, for example, which, when it was already struggling, let go all of its senior sales people on the floor and replaced them with minimum wage. The knowledgeable salespeople was pretty much the only thing going for Circuit City at the time. Customers noticed, responded, and the business fell off a cliff