"If some user doesn't care about freedom/price, why should anyone care about him using linux?"
Network effects. The more Linux users there are, the greater the incentive for companies to support their hardware and software on Linux.
Network effects. The more Linux users there are, the greater the incentive for companies to support their hardware and software on Linux.
I don't think any more than that would be good. If it gets too mainstream, it won't be a geek OS anymore... We'll have to find something else :(. And the possible problem of people writing more viruses for it. (Though I'm not an expert on security issues)