Sure. Amazon seems like a good example -- if the source code to the site and backend were released, you'd still have a company as profitable because the hard p

Sure. Amazon seems like a good example -- if the source code to the site and backend were released, you'd still have a company as profitable because the hard part is the global logistics work, relationships made, warehouses they've built and staffed. I don't think it matters which license is used in most cases. GPL vs BSD used to be a big argument, less so now that we're not all running desktop software on our own machines for everything.