Once you start trying to make a living from anything you do online, you start to realize that literally everything on the internet is gamed to extreme. Even this article was written and posted here for a reason.
If your GitHub repo can in any way provide you with income (from just having something to talk about in an interview or an innocuous “buy me a coffee link”…all the way up to selling $100,000/yr enterprise support plans), you now have a strong incentive to game the system.
And if it’s allowed by the system, then it’s a prisoners dilemma. Because if you DON’T do it, your competition will do it and eat your lunch.
That’s why it’s so important to design high integrity ranking systems.