I'd say the current distribution of Steem and proxies are features of Steem and not a problem in itself. If some people consider the Steem to be too concentrated they'll be more incline to sell at a lower price and the investors who think the same will seek lower price too. It's a self regulating market.
Very valuable post obviously. That's why I gave it 100% upvote.
Yes it is a self regulating market, and we all have vested power that can contribute to the success of steemit by using it wisely to select witnesses