If an AI is able to consistently create content that doesn't break any of the forum's rules (good quality, on-topic, not just a padded word salad, no plagiarism, etc, etc),
I, for one, welcome our new machine overlords. Otherwise, content that violates the rules, AI or human produced, can already be dealt with with our current rules and policies in mind.
I agree. Whether we like it or not, AI content is not necessarily plagiarized. As long as we don't have duplicate content, which might occur if a large number of users use a specific platform on a specific question such as "Should I invest in Bitcoin?" it doesn't do much harm on the forum if used in moderation. Imagine 90% of users being practically bots; that would be disastrous.
Campaign managers should prohibit the usage of AI, which would actually discourage users from using AI in their posts.