If you want to change the world in a more serious way, SnapChat's valuation should have as much of an impact on your determination as Coca-Cola's.
We owe the 20th century and virtually every convenience in our lives to the existence of petro-chemicals. There is absolutely no justification that oil companies "don't solve real problems".
I would go so far as to claim petro-chemicals are the single most important discovery in human history. (There are certainly downsides in the form of global warming, pollution and environmental damage, but you've completely ignored the massive upside).
It wasn't phrased perfectly, but I'll leave it now since several people have responded.
Watching a bunch of critical thinkers, developers and startups pull at straws trying to defend ridiculous payouts, evaluations and utopian end-games sounds more like 2009-era stock broker talk than it does anything positive or revolutionary.
I don't know what to say if you don't think oil solves real problems.
huh? Providing value in a market has nothing to do having some direct and profound impact on society. They make drinks people like and are willing to pay for.