Your logic is flawed. It doesn't matter if even 99% of the addresses all belonged to the wallets of a few hundreds early adopters.
As of today (as of block 350,000) there are 102 addresses with 10,000 BTC up to a few 100,000 BTC in each of them. They represent 2.8 million BTC! Most of these addresses belong to exchanges or online wallets and contain their customer's funds, because no one owns that many bitcoins. So these 102 addresses most certainly represent the 2 or 3 million bitcoin users worldwide that exchanges and online wallets claim they have: http://www.quora.com/What-are-the-future-consequences-of-the...
As of today (as of block 350,000) there are 102 addresses with 10,000 BTC up to a few 100,000 BTC in each of them. They represent 2.8 million BTC! Most of these addresses belong to exchanges or online wallets and contain their customer's funds, because no one owns that many bitcoins. So these 102 addresses most certainly represent the 2 or 3 million bitcoin users worldwide that exchanges and online wallets claim they have: http://www.quora.com/What-are-the-future-consequences-of-the...