I assume it’s the same for OP but I don’t want to block all nsfw posts. There is a difference between porn and graphic videos and pictures(most of them not being really that graphic).

You have to abide to the rules of the instance in which the community/magazine is. Any extra rules in the community are up to you. And yes most communities are are ghost towns especially if they are about something more niche or with a smaller audience. Usually the way to grow them is to create content to attract new users, nobody wants to join an empty community after all. You could also try to advertise it on !newcommunities or something similar to gather some attention. I hope my answer was helpful, that’s just my experience, I’d be interesting to hear others’.

Cheese becomes tasteless

Well Reddit has years of content by millions of users, it’s definitely better to find an answer to your question but that doesn’t mean that the fediverse can’t be helpful.

Tbh Kbin and Lemmy are unrecognisable from what they were just a month ago, the fediverse is evolving quite fast.