Spoiler alert: he currently doesn’t plan to. I keep reading people wondering about what Christian‘s stance is, so there you go.
Here’s a time stamp to the chapter if you wanna listen to more context, or the entire episode: https://castro.fm/episode/nltyqz#1:35:02
I feel like it’s a combination of factors. First, I would want to stake my business on a platform that I don’t control given what happened with Reddit. Second, it must have been an emotional roller coaster going through the API stuff, so he is probably too burned out to start a new project.
Edit: Third, the lemmy/kbin user base is much smaller than Reddit’s. I don’t know if he would be able to replicate Apollo’s success with a new backend.