Isn't this wish rather selfish as well? Rather than spending time, becoming a contributor yourself and effectively showing them a better way, you want them to disappear.
Becoming the example that people want to emulate? Yes, it does work, but it's a lot harder. The key is to do it in little increments everyday. The more influence you have, the more you'll be able to sway a person's opinion. Growing this organically is the challenge.