That was my initial reaction too, but thinking about it, it's potentially (probably not, but potentially) a violation of the ToS even if it's not automatically

That was my initial reaction too, but thinking about it, it's potentially (probably not, but potentially) a violation of the ToS even if it's not automatically banned. So, the hacker humor point is that you have a "poison" repo which, if you push it to GitHub, might get your account deleted in the future. You have no guarantee that it won't, for sure.