I'm from the US originally and emigrated about 10 years ago; I think you're conflating different aspects of technology. The boom of US tech isn't superior infrastructure, it's that tech is a very lucrative investment vehicle so it gets a ton of attention. (Well, it was anyways, not sure what 2023 is going to do to this)
While I understand what you're saying, I think what you're observing and commenting on is the huge amount of money that is thrown at technologies developed in the US compared to similar technologies developed by an EU nation which don't get the same attention. US tech infrastructure is by no means exceptional. It's good in many places, don't get me wrong, but it's an extremely similar or lesser experience compared to many EU nations (including the ones you mentioned), and a lot more costly for end users.
Even when I lived in Russia for a time, the infrastructure/costs were amazingly better in Russian cities (outside of Moscow and Saint Petersburg even) than in many US cities.
This is not to say everything US == bad everything EU == good; far from it. Instead just try to understand that the main difference between the tech you read about in US that gets millions or billions and the tech in the EU which just stumbles on like any other business is simply the high attention from investors looking for investment vehicles.
Beat for beat, the day to day technology that I used in the US has either an acceptable or better EU-accessible version, and the EU version is often even a bit cheaper.
The big projects like Starlink are extremely subsidized by the US government; it's the US residents paying person like Elon Musk to let him sell them something right back, without having any real control or input over the way that money is spent by Musk and other similar corporations, or even ensuring that everyone has a chance to use the stuff that billions of dollars of their tax dollars are going to. It's an oligarchy that's been fully legalized and approved.
I really don't think that's the direction we want any nation to be taking, as it does _not_ provide good results long term for the people. US broadband is a perfect example for this with the incumbent providers doing everything in their power to offer as little as possible while still technically qualifying for the subsidies so they can pocket the remainder after the bare minimum requirements are met.
Don't misunderstand the high investor attention that US tech companies get as always being great innovation; investors want a good investment vehicle, and that doesn't always mean the vehicle is a worthy and innovative product. It just means it's something that has a way of providing good returns on investments, including short term fads.