I get that the author is making a "modest proposal" here, but even so it's kind of antithetical to at least my own feelings about open source. If I release some

I get that the author is making a "modest proposal" here, but even so it's kind of antithetical to at least my own feelings about open source. If I release something as open source, the whole point is my users owe me nothing. They have limited obligations that are explicitly spelled out in the license and that's it.