Indeed. New Apple releases are events, and staff are paid to be able to get everything ready in time. It's not really feasible to do that every time some partner releases a new laptop that's not had any hype or media attention and no-one is going to be coming in the next day demanding to see it.
It's a luxury Apple have that other business models can't really afford to emulate.
It's a luxury Apple have that other business models can't really afford to emulate.