So you're saying our genes are going to compete and evolve so that we no longer compete and evolve? That's not how it works.
But a less flippant way to put it is that a world without "bad" actors isn't a stable equilibrium. It cannot and will not ever happen. If you need convincing, look to nature. An equilibrium is only formed through a multitude of mixed strategies.
Artificial selection might result in what you desire, but that would be.. unpopular, to say the least.