Yes he has seemed in my experience to be a good dude. And greed is to be expected where there is monitary gain involved.
I find to get the best experience on SteemIt to not worry about the money. Enjoy the social network and think of any money you get as a tip.
All my earnings go to my SP, I don't plan on withdrawing or leaving the platform anytime soon. As long as there are like minded individuals who strive for a common goal there can be change made for the good.