Most of those aren't getting paid for your labor as a hacker, which is to say, a programmer. They're getting paid for support, for ops, for server time -- numbe

Most of those aren't getting paid for your labor as a hacker, which is to say, a programmer. They're getting paid for support, for ops, for server time -- number 3 is the only one that directly pertains to writing code. So you can monetize ancilliary activities, but the act of giving source code away for free devalues the act of actually writing source code and makes it difficult to monetize the writing of source code itself, not the ancilliaries.