Inasmuch as they've put it on the public web they've already made a decision on who gets to see it, and you really can't stop people from doing what they want with it on a personal level.

If that's print it out and put it on a wall in my house, or use whatever tools I have at my disposal to consume it in any way I please, there's not really anything the author can do about it.

That was actually a big enlightening moment for me, as long as money is involved, the so called ethics were out of the window instantly. From the far left newspapers to the far right ones, they all lied on this topic. Only a handful tech blogs and newspapers did tell the truth.