I suspect instead that their thinking went something like this: We want to provide this service for our customers, but we can't afford to do it post-sale. For

I suspect instead that their thinking went something like this: We want to provide this service for our customers, but we can't afford to do it post-sale. For one, it'll take longer, and for two, customers won't wait an extra 20 minutes to pick up their shiny new laptop. So instead we'll provide both versions, and let the customer decide. ...and then, like almost every retailer in existence, they just screwed up their inventory management.