Earlier quoted context omitted.
Perhaps it is an action boosting EU-based companies? Otherwise they are at a disadvantage in competition, because US-based Googles and Facebooks game the e.g. the tax system in a way that EU-based companies cannot.
Tax avoidance isn't helping large US based tech companies aquire more users or gain more control of the Internet. It only impacts investors and executives. So that's not the reason why EU based competitors have mostly failed to reach dominant positions.
No, it really does help large entities wield their power even more.
The billions of dollars that the big cos have stockpiled ensures they can suck up the talent, attack new markets and keep competitors at bay.
It's not the biggest thing, but it's a thing.