I presume there is good margin in official repairs. Just like there is speccing extra memory on a machine you buy, that can be bought for a quarter of the price

I presume there is good margin in official repairs. Just like there is speccing extra memory on a machine you buy, that can be bought for a quarter of the price from Crucial or Amazon for equally high speed and quality. They have clearly set their direction of travel, so I hold out no hope of ever owning another Cheese Grater with similar attention to detail of how upgrades are enabled.