The problem with that analogy is that 90%+ of the farmers are growing coca or poppies today. Without a viable alternative "crop" or payment mechanism on the op

The problem with that analogy is that 90%+ of the farmers are growing coca or poppies today. Without a viable alternative "crop" or payment mechanism on the open web, I think the net effect will be to drive all of the content which advertising is paying for today into walled gardens, like a Physorg "app".