The beautiful thing is the developer need not worry about whether or not it's a legitimate complaint or "open insulting mocking"!
All the developer has to worry about is:
Will this positive or negatively effect X cause[1]? Will it reduce the quality of my code?
1. I think it's pretty clear that part of making github libraries more welcoming to women is having gender neutral documentation. How would you guys like reading "if her" instead of "if his"? Well, we have the privilege of that not bothering us as much since we don't have to deal with those micro-aggressions, but hopefully you get the point!