Github's market position is in no small part based on network effects and depends on nearly every open source project being hosted there.
Now imagine a competitor promising some kind of protection against these kinds of frivolous DMCAs. That could lead to a large chunk of media, p2p and security software moving there, threatening Github's position in those niches and putting that competitor on more equal footing.
Now imagine a competitor promising some kind of protection against these kinds of frivolous DMCAs. That could lead to a large chunk of media, p2p and security software moving there, threatening Github's position in those niches and putting that competitor on more equal footing.