I feel like we need to update copyright for modern software. In order to register your copyright, you should store the source code for the software with library of Congress, and the build tool chain the rebuild the code. Then you get your exclusive copyright advantages. And once you've left the market, or remove the product from the market, or the copyright has expired, the source code is made public domain.

So in this example shutting down the multiplayer servers would allow the escrow service to release the code to those who want to run multiplayer servers