Yes, but if there is too much wealth concentration the country turns into an oligarchy.
Obviously there needs to be a balance. Each country needs to find it's own balance. The Norwegians have chosen their balance. Not everyone will be happy.
The article mentions 54 billion net worth left the country. I guess we'd have to look at who left to make any comments regarding startup founders or regulation manipulators.
Yes, there is a balance. The default assumption is that the wealthy fuck over their countries. I'm not quite so cynical (e.g. I think Buffett is nothing like Ellison).
The article is super biased (the site helps rich people get second passports).
We've got a few billionaires in New Zealand. I have very little idea about their influence on our regulations (although I suspect Peter Jackson might have had a positive influence - he's certainly generally helped our economy).
Obviously there needs to be a balance. Each country needs to find it's own balance. The Norwegians have chosen their balance. Not everyone will be happy.