I don't know what to say here.
It was just a note, so nobody is surprised. Perhaps someone is interested in maintaining it.
Actually it does not look that dead on Github.com
The Githup project is just about building the Ubuntu Packages, it has no code changes.
For such a simple tool which is just a ffmpeg script it is fine.
The tool has 47,085 lines of C++ code, I would it not call a simple script: