Lords Cricket Ground?
So, because HE likes "the boring game", he chooses to launch his book for employees in a country that is host to what, 2% of Microsoft's workforce, and at a venue that probably most Microsoft employees have never heard of. And in case you missed it, your corporation is soooo committed to the UK, that it uses every opportunity to avoid paying tax here.
OI! NADELLA! You BERK. Its bad enough that a volume of CEO brain-droppings are going to be foisted on your employees, but if you're going to delude yourself that you're an author, and need a book launch, why not do it somewhere you can bus a stadium of unwilling drones in to to offer you some faux-applause?