Except that system can be counteracted by describing a CPU and then describing an algorithm. Richard Stallman had a talk about patents and mentioned the Indian system.
It's this one I believe. I don't have a timestamp (and don't have 2 hours to go through it to find it), though I believe it is a response to a question at the very end. https://www.youtube.com/watch?v=aiKRt3-FbM0