Not really. It would either deliver value by being a good recommendation system or by unveiling the current reward system's imperfections.

Or fail at both of course, but knowing that is also valuable for the platform.

supratic

External SN recommendation system for fun and profit

You are missing the point. It's about anticipating what stacker will like. If you upvote something that does not get further upvoted, you lose money. So the bot is only successful if it recommends good content early, based on the community standards.