[veave]

It's easy to prove, this is the code change that added the moderator invitation system: https://github.com/reddit-archive/reddit/commit/db7b531a7180...

[chromakode]

I added that invitation flow in response to widespread abuse of the 1-way add moderator button. As an aside, the invitation message felt too bland and clinical during dev, so I added "gadzooks!" to the beginning, which became a meme for a while.