There are 2 Irelands. Northern Ireland is part of the UK, Republic of Ireland is a sovereign nation. The latter is where all those DCs are.
> The latter is where all those DCs are.
Ah, I thought some of them were North of the border. Foresight at work!
As for Google and Amazon and their datacenters in Ireland, as well as all the tax deals there I think that tax advisors are right now working overtime on how to limit the damage to their Irish clientele.
Maybe a good time to buy land around Frankfurt a/M.