It didn't make sense to have a Tier 1 cloud providers. EU using US tech and services was the social contract for the ally level cooperation. The moment this relationship goes towards the adversary level Tier 1 cloud and the rest of dependencies (and defense/ will be developed in house, no matter if the future administration is a Dems one. The point to take away is the change of direction in the EU as slow and as costly as that might be. Now it's a security issue.
"5. As a private citizen, given the incarcerations in the UK and Germany, it seems one should worry more about the EU getting your data than the other way around"
As a private citizen given the cold blood murders of US citizens by ICE, it seems EU citizens should really be worried of what such an administration is willing to do and can do to their long time allies.
Means you're not in the "many" segment. Doesn't mean many others are not in the "many" segment. I, myself, find reciprocation important even if not for identical "gifts".
> To make this even worse, it may even produce Y just enough times to make it seem reliable and then it is unleashed without supervision, running thousands or millions of times, wrecking havoc producing Z in a large number of places.