Yeah, niche ones provide the most value since the popular ones are the easiest to replace with the larger user base that seeks them out. Too many niche subs sold themselves short on their importance when it being niche was what kept people coming back over leaving due to lack of alternatives for that interest.

Oh absolutely! I'll remain the 'head mod' of /r/AskBibleScholars but the mod team there can handle the day-to-day. I'm still considering (and working on) the Q&A section of askbiblescholars.com and hope to provide the same service to the wider Internet.