They did not. Automod was created by a user as just another script that interacted with reddit's api (albeit, a powerful and useful one). Deimorz eventually joined reddit and became an admin, and Automod was eventually integrated into the site code (primarily for performance reasons), but that was completely user-created, and in fact a great example of how reddit's community governed the site for a long time in absence of much direction from reddit Inc.
Okay, user created, and promoted to be on-server and faster by reddit. Automod is a heavy-handed tool that both mods and admins played a role in creating.
They did not. Automod was created by a user as just another script that interacted with reddit's api (albeit, a powerful and useful one). Deimorz eventually joined reddit and became an admin, and Automod was eventually integrated into the site code (primarily for performance reasons), but that was completely user-created, and in fact a great example of how reddit's community governed the site for a long time in absence of much direction from reddit Inc.