They don't get the hardware subsidy that Apple get though do they.
So? There's plenty of other software companies out there that sell multiple licenses at a discount.
If they want people to upgrade then they need to offer them an incentive. There's no extra transportation/manufacturing costs so doing a family license makes sense.
Is Home Premium avail in 64bit? Ultimate seems pretty pointless for a home user now.
Those were two seperate entities really.
They don't need to. Their retail sale are a miority compared to OEM sales.