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Ultimately I'd like this to be one of the predefined filters when we implement [this feature](https://meta.codidact.com/posts/285370), which is on the roadmap but will take a while.  On the other hand, it seems like we have a more pressing need.

One approach, which was the starting point for the question you linked to, is to filter the view for *anonymous* users, so at least we give a better impression to people just checking us out.  But then, after you create an account and sign in, your view changes, which could be confusing.

I don't know how practical it is, but maybe instead of a filter that is on or off, we should show the non-negative posts and have a "show 13 more" (or whatever) link at the bottom of the post list?  That is, the page size would still be 50 posts, but we'd show fewer than 50 by default and the remainder would be behind a click.  Would something like that help?  This way you'd get the reminder ("more to see here"), as opposed to changing a default once and then forgetting about it, but you wouldn't, by default, see those posts.  (We'd probably need s "show me everything" user preference; as a moderator I would want to see everything.)