[input_sh]

Mods aren't set in stone, they tend to be active for a few years and then give up. Once that happens and you notice the current mods not posting anything for a period of time, you can simply file a request to side-wide admins to take over that sub, as giving it to anyone else is better than leaving it completely unmoderated.

[permo-w]

it's surprising that this feature remains relatively unknown. the article doesn't seem to be directly aware of it. I recently requested a fairly important subreddit which had been taken over by mods of a competing to sub and locked down to prevent competition, and they gave it to me immediately