1. We have a large homgoneous market where you can build a product and it’s expected it can succeed for hundreds of millions of Americans
2. EU is the easiest second market, and another step change of hundreds of millions of customers in a somewhat unified market
3. there’s not an easy 3rd economy that replaces EUs wealth, population, and comfort with English + technology
When we piss everyone off in the EU tech company growth gets kneecapped and limited to US / Canada. Theres not an easy market to expand to without much deeper focus on that specific market and its needs, for much fewer returns.
There's always this occasional chatter about being more competitive, and certainly some good ideas -- for example, the Draghi Report -- but then nothing happens, or you get a few half measures at most.
I guess the one upside of Trump being such an aggressive jackass is that it might finally provide enough impetus for European countries to take further integration more seriously.