At this juncture. Peak oil is not an energy crisis. It is a liquid fuel crisis.
There is, however, always the risk of gold-plating.
The ad hoc solution is that corporates like Google and eBay etc have practiced self-censorship rather than fully test in the courts. But at some point there are going to be some very messy cases that could adversely affect freedom of speech - unless we are vigilant. You can't be me, I'm taken