If it's about discovery of bots, then come up with some meaningful way to make them discoverable (presumably better than the Apple App Store zing) without people needing to be exposed to them by default.
How about a header in email that the sender can include that forces the email to the top of your inbox and makes it undeleteable? You can opt-out by having an email address of [email protected] all the time.
How small-minded. There are many of us who want to be discovered by bots. We just keep quiet because people like you have such strong opinions and aren't afraid to be mean about them.
Wouldn't it be ironic if your opinion was in the minority?
I think there is room in every community for automated users, if the tools for managing misbehaving users is strong enough. Github however has been known to not have strong moderation tools, so perhaps a temporary opt-in policy could be used until those tools improve?