The parent lists a handful of European startups. Just incase that list was being presented as an example of Europe's startup prowess, I just wanted to temper any enthusiasm by pointing out that on a per-capita basis, the density of startups is much lower in Europe.
The attempts of the EU try to make Europe something like a country ("United States of Europe") and yes, Europe is much more segmented (yet alone by languages​, but also culturally). We all know the problems (a money union without a full political union and Brussel dictating to formally self-determined states/countries). You are twisting reality