User blog comment:MisterWoodhouse/The first migrations to the Unified Community Platform/@comment-24053170-20201004204626/@comment-24006128-20201005112103

We have a site hygiene script that runs on the legacy platform daily to remove truly dead communities. That's been going on for ages.

On the new platform, the script runs once a week.

We're not bringing over wikis which have had their chance and didn't develop a community or considerable content.