There is a policy where, if an AUR package gets popular enough (I think it is around 15 'votes' in favor), it is added to the official repository. There are no

There is a policy where, if an AUR package gets popular enough (I think it is around 15 'votes' in favor), it is added to the official repository. There are notable exceptions where the package license doesn't allow that. E.g. chrome (not chromium) spotify and dropbox.