The European Union suffers from numerous weaknesses compared to the United States, including the lack of European tech giants
I for one do not mind that the EU legal environment does not lend itself easily to forming megacorporations. There is a lot of great innovation coming from the EU. The development of Lemmy is for example funded by the EU public sector.
On the topic of the article, I wonder how much of our economy is still restrained by still existing protectionism and division between member states. There is free trade, yes, but we still speak different languages and moving to work between countries is still not as easy as moving between US states.