That sounds like a good idea once things get going a bit more. For now, I feel like this lemmy community is mostly just to gauge interest/willingness to switch over and we can figure out more long-term stuff once it's clear that there's enough buy-in.
I think for now the posts should be manually created. Having too many posts without any comments would make this place look like a ghost town.
The dream would be to have episode discussion generation built into a separate instance of lemmy dedicated to anime stuff, but we're not there yet.
Mastodon needs to absorb a critical mass of the users who drive content on Twitter in order to be a viable replacement. A Lemmy community only needs enough members to keep itself fairly active.
I was going to say that someone should do it in the other post. But there's only like a dozen of us, so I figured I may as well.
I'm similarly pessimistic, but also... I want it to happen, so I'm going to engage with it as if it's going to. I'm sick of the internet being owned by asshole corporations, and I'd love for an alternative to take root. That needs a certain amount of buy-in at the start, and it costs me nothing to try.
I think there's a fear that if a niche subreddit goes private permanently that community will be lost unless there's an analogue set up here.
There's going to be a learning curve, and I'd imagine that specific instances will eventually pop up as the user base grows in size and grows more comfortable with the platform.