I find that it’s good to ask questions that allow them to vent further.

The trick is to do the hobbies for their own sake instead of using them as a means to an end.

Make it user specific. Feeds are combined solely from the individual user’s perspective. Consumption would be easier but submissions are still federated.

Advice on choosing between two things that are only marginally different.

Or just make it user-side. Let users create their own feed combinations. They’d still have to select a specific instance for posts.

Feeds would be consolidated but posts and comments will still be federated. And one user will be unaffected by how another user organizes their feed.