That's a fascinatingly cryptic post title. It reads like a fragmented search query or a piece of "found text" — possibly from an old forum, a metadata tag, or even a deliberate poetic fragment.
Let me play for a moment and unpack what this could mean, since you've found it interesting: Searching for- the devils advocate in-All Categ...
Someone is actively looking for a person (or an AI, or a role) willing to argue the unpopular, contrarian, or morally difficult side — across all categories of discussion. Politics, ethics, science, relationships, art, technology… no topic is off-limits. The hyphens might indicate a specific search syntax (e.g., on a vintage search engine, Usenet, or a database). That's a fascinatingly cryptic post title
What drew you to it?