Well there are also different laws and different cultures to work around. The differences between the laws between states in the U.S. and between countries in E

Well there are also different laws and different cultures to work around. The differences between the laws between states in the U.S. and between countries in Europe are probably orders of magnitude different. Trying to understand all those differences would probably be a lot of overhead that could crush a startup trying to tackle the broader market from the get go.