The core of their defense-with-apology is that they’ve never acted quickly to remove a project so close to funding. But the question they don’t answer is what it would take to get them to do so. I suspect if the project was revealed to advocate violence against people of a particular religion, race, or sexual orientation, they would have taken it down; But we’ll never know.
As with Facebook, only time will tell whether this indicates substantive or superficial change. The larger point is that institutional sexism isn’t getting a cultural pass anymore, and if you get caught, you’re not getting out of it.