Very well written and I agree that the 3rd solution is by far the best of the three top contenders presented. Communities should be able to follow communities and have them automatically cross-post with one another to promote interaction from multiple communities on multiple instances.

As an aside, it’s kind of cool to see the little community develop here on programming.dev, and lemmy in general. I remember first coming across your blog when you posted about your Solitaire game back in September. Keep the post coming popcar!