Now fixed, many thanks to our human overlords!
I just created an account on serverfault.com, using my usual Google credentials. However, it did not auto-associate with all my other SE accounts. So, I suppose something weird is going on. Can someone check it out?
It seems to be a bug, because my new account was awarded the Association Bonus. Also, when I click on "My logins" to see which credentials are associated to the account, it displays an empty list: