That's a lot of assumptions to make! Many very successful people smoke weed. I'd also say if you're planning on getting ahead by climbing the corporate ladder and grinding for your boss, you're going to be in for a very unpleasant surprise.

> Earth's climate is on it's last legs.

A well known side-effect of smoking marijuana is that people become way more ecologically aware and in tune with the environment. Downsizing your lifestyle, not commuting and not working for some megacorp churning out junk or ads is definitely going to be better for the environment than the status quo.