At some point it comes to a head; Walmart corporate and the USA didn't care enough about Cuban pajamas, but in a situation where they DO care, you quickly get Вкусно – и точка.

The EU (nay, perhaps every country) should be prepared to deal with Microsoft or AWS completely cutting them off from access to all their systems - what would be the cost and impact?

We are rapidly heading to not one Internet, but country-specific internets that may or may not bridge to other ones in some cases.