The argument is the US system is more extreme. In the US those 2-3 Scandinavian millionaires would be worth 4 times what they are worth there. But then again some of your friends living middle class there would be poor and housing insecure.
The problem might be different competing forces of the country who would enforce these things. They might be controlled by those who put their money in these tax havens.
Does the number connections to a router effect how many people can join? I think around 250 is the limit thought some have problems after 50.