I don't know, when you think about what makes easier (cheaper) for the vendor, this way they just have to assemble the CPUs into the motherboards and ship the systems like they always have.

I can't see that the market for enterprise system is heavily affected by grey market CPUs. Their customers are by and large buying these systems built & configured, and racking them up as they come.

It'd be nice if there was a jumper you could set on the motherboard to stop it claiming a CPU though (maybe there even is?).