Locking a community still allows people to comment under the pinned post, so if there’s any interest to revive that community it can be done that way

At the moment we have a few famous examples

• !android@lemdro.id vs !android@lemmy.world
• !movies@piefed.social vs !movies@lemmy.world
• !privacy@programming.dev , !privacy@lemmy.dbzer0.com and !privacy@lemmy.world
• !buyeuropean@feddit.uk vs !buyfromeu@feddit.org vs !BuyFromEU@europe.pub

All of those communities have similar rules, there’s nothing distinguishing them (!privacy@lemmy.ml for instance is different) except that mods never bothered to agree on a single place