I'll be blunt and say that I think many posters here don't fully understand the functions of a miner in the bitcoin world.
Not only are miners the armored trucks and tellers of bitcoin, securely transferring value and saying if a transaction is legit or not. But they are also the keepers of the chain. Gardeners weeding out undesirable elements. This is by design, it's a feature of the bitcoin protocol.
The blockchain isn't designed to accept unlimited amounts of abuse. Imagine blocks with unlimited size, you could fill them up with enough spam that no normal users could validate them, breaking bitcoin. If the blocksize is severely limited then bitcoin becomes illiquid, looses value and functionality. So there's disaster on ether side. Miners are the answer and always have been.
There's some elements of democracy to bitcoin. The choice of what clients to use is one. You could hardfork and have your own chain, adopt whatever features you'd like, work within the current chain, ect. Mining is another example of this. By each individual miner saying what he or she will allow into the chain and at what rate, we shape the traffic of bitcoin. It's not a disgrace, it's part of the normal function of the system. For example if half of all miners (controlling half of all hashpower) decide that SatoshiDice transactions are unacceptable then, on average, SD transactions will take twice as long to get a confirm. They have not been banned, people have voted on what will or will not go into the final product.
Morally I find that this solution is just and I think that ultimately it's the answer. I think that the current pool system is a security vulnerability and it reduces the choice (vote) of the individual miner. Mining should be full of choices and decentralized. Inexpensive hardware and software that is p2p is needed for this. We have P2Pool which is an excellent alternative to the centralized pools, Luke-Jr also has an alternative to centralized mining. Right now ASICs are the only mining hardware that's worth it but they are very expensive. I think that in the future though, prices on efficient and fast mining hardware will come down a great deal.
To sum it up, a laissez-faire standard for what goes into the blockchain is what's broken. If you think about it for a second, bitcoin can be permanently harmed by just spamming it with garbage, weeds overgrowing the path obscuring the true beauty of the system (laying it on thick now). It's not the duty of all future users to just take whatever from an unmetered sewage outlet. It's our duty as current users to be thoughtful and respectful of those who will come after us. Miners ARE the stewards of the blockchain and to say different is totally false.