"What actually happened was that very few people subscribed, and immediately began posting the latest sources publicly (as permitted under the GPL), which resulted in Sveasoft threatening them with legal action, issuing C&Ds to anyone involved, and inserting more and more complicated tracking tokens and other booby-traps in the code."
Exactly point point. This is why you can't run a viable business selling GNU software.
No. That's why, if you want to sell software to your users without giving them the freedoms afforded by the GPL, you'll have to either write your own software from scratch or base it on one that uses a license that allows you to give your users an inferior set of rights.
Exactly point point. This is why you can't run a viable business selling GNU software.