Sometimes I feel like the world really could do with people knowing how to lucid dream, but then I think and see that no matter what we do the majority of the crowd are idiots and the planet is doomed to fail.
I will still spread lucid dreaming to everyone that wants to learn because I want to share all the amazing things I have done.
As michael said, I also only really feel like the people who actually deserve it should lucid dream. Most people are just pricks living a simple life, going with the flow, trying nothing out of the box and constantly seeking to be recognized by other people.
The more I think about it, I actually don't want to share lucid dreaming to the whole world. The world doesn't deserve such a treat, I hope that one day there is a global crisis. Might sound harsh but we can't keep going the way we are now.