It would be a good way to fill the fediverse with useful data.
Of course, there could be legal implications, technical issues (attribution, etc), ethical dilemmas, etc.
I still think this should be discussed at least. The data is public, and dumps of reddit can be found pretty easily.
So what are your thoughts on the matter?
Could be a good transition tool. Restrict posting and comments to just mods/bots. Treat it like an archive. Users can link to a post and continue the discussion on their instance