It would be a bit of a project, but the most time-consuming part is already done. /r/datahoarder has a backup of reddit comment/post history that goes from the beginning of reddit up to March of 2023 (text only, no media). It’s compressed down to about 2TB in size, but already in json format and anyone can download it, would just need some work to convert that to a format a fediverse instance could work with and somehow inject it into a new instance.
It would be a bit of a project, but the most time-consuming part is already done. /r/datahoarder has a backup of reddit comment/post history that goes from the beginning of reddit up to March of 2023 (text only, no media). It’s compressed down to about 2TB in size, but already in json format and anyone can download it, would just need some work to convert that to a format a fediverse instance could work with and somehow inject it into a new instance.