They're not necessarily trying to make the world a better place, there's just too much money at stake for opportunists of all walks of life to ignore now that the laws have changed. The world's past present and future is decided by supply and demand. Always has been, always will be, and it doesn't always take people's well-being into consideration.

It will make the world a better place by default because it gives people an alternative to dangerous, highly addictive pharmaceuticals.