For once, I agree with you. Nobody wants a small group of miners getting all the coins and driving the diff up, then dumping them on exchanges, destroying the price. That's one of the best ways to kill a coin, right there.
How is GPU mining any different than botnets targeting XPM? ASICS didn't destroy BTC, GPUs won't destroy XPM. We'll find out soon enough.
Over and over we see the same process, and over and over we see the same 'Chicken Little's running around and screaming about the sky falling at each step in the process. It's just one of the cycles of nature. Embrace it, smile, and mine on