I've got a participant on a very niche forum, they've been coming to the site for 2 years anyway. And they post relatively regularly - a few hundred posts over that span.
But they only ever post jokes in the 'foo' section. That's it. No participation in any of the industry conversations, nothing. Just cut and paste jokes. And it is a person not a bot because someone called them out at one point and they did respond (but very vaguely).
I'm not even sure the poster is even in my industry.
Any thoughts on what's going on with this poster? I feel like there's a small possibility I'm being played, but I don't see how.
I've seen that behavior on at least one forum, actually had a few people like that. I think what happens is they might have a problem they needed solved, found the foo section and settled in. They might have an interest in the topic but don't have the qualifications for answering questions.
Other possibilities include setting you up for edits to signatures or posts if you allow them and the foo section is indexed by bots. The poster disappears for a while letting his posts get buried and comes back to edit them or the signature.