As part of the Copilot for M365 rollout , questions were raised on the /portals/Community and /portals/hub as both ‘Everyone Except External Users’ was granted access raising concerns on the content on the site. These are legacy sites and are currently inaccessible. Historically, these sites were accessible via the legacy SharePoint admin centre, however, they are not available through the modern SharePoint admin centre interface. Thanks to Gregory Zelfond’s blog post What are all these site collections in SharePoint?