The sales problem being there isn't anything viable to compete with the established players. Europe has the capability, even without immigration from the US, it just needs a kick to make good enough products.
The EU should also create a new regulation to force everyone on the continent to move away from American companies. That’s one way to give the local startups a market to sell to.
I’d be interested in arguments that EU providers could be equivalent to Azure … is it realistic to move a large university across for email and other cloud services? Might be the right time to start campaigning for institutions to divest from US tech stacks…