I'd say you are wrong. GitHub has 1,784,455 members. That alone is probably 5% of coders. There are still many millions more people out there that have heard

I'd say you are wrong. GitHub has 1,784,455 members. That alone is probably 5% of coders. There are still many millions more people out there that have heard of GitHub, or downloaded code via GitHub, but don't have an account.