Tbh, in a world that's getting more and more filled with aggressive and blatant protectionism from (not only but especially) the two dominating major powers, it will be quite hard for Europe to sustain without using the same tools to a certain extent.
Sure, open source is a very good solution for a lot of things and I'll prefer them to a domestic but proprietary solution, if applicable. Yet I also acknowledge the need for us to use our elbows more than we so far liked to.