That is exactly the point: "Digital Independence" is an "easy" term for Digital Sovereignty. In our case Sovereignty as in a Sovereign State. If a Canadian university hosts its LMS in the USA, then it is the fault of the Canadians. Europe was talking about this for a long time but only recently started taking action. As we earlier agreed, their politics too are infiltrated by the BIG TECH lobby.
Here is a random article: https://www.atlanticcouncil.org/in-depth-research-reports/report/digital-sovereignty-europes-declaration-of-independence/ (didn't read it completely though)