Doesn't "DMCA", make, well, the DMCA notice a thing?
Now all it needs is send some letter to github and they take down content, no questions asked, how is that better? It is for court to decide.
It's a lot easier for a large plaintiff - like a record label, a movie studio, or a software publisher - to file a lawsuit than it is for a small defendant like a web site operator to defend against one.