Its hilarious when people say you don't "Need" over 100k a year, or a million a year.
Guess what? You really don't "Need" over 30k a year. You're in the top 1% of income earners worldwide if you make that, anyways, which tells me a lot of people do just fine on less than that.
So why should anyone be "allowed" to keep their money?
Because they can invest it far more efficiently than government. That and, oh, they usually earn their money.
Let me give you a good example: Elon Musk. The billionaire co-founder of PayPal. According to many here, he shouldn't have that money. Instead, the government should have it, and run the country for about 2hrs.
Instead, Elon kept his money. What has that got us? 2 new companies: SpaceX and Tesla Motors. SpaceX has reduced the cost of space travel by about 80%, and he's stated that its going to drop 90% over the next few years. The savings alone for NASA due to this is going to be in the billions annually - not to mention the thousands of new jobs he's created, and likely to create many more. Tesla Motors is the first electric car company that has actually been sustainable in the US.
So tell me again: Why shouldn't Elon keep his money? He's proven 3 times that he's incredibly adept at creating new businesses. I could rattle off many, many other entrepreneurs that are the same way.
The further countries believe that they own the people and the wealth they create, the further risk-adverse the people will be, and that country will fall far behind in entrepreneurship, technology, and new developments.
Back from the dead, I'm afraid.
