Yes, chat-gpt could be prompted to produce a plethora of initial posts and relevant responses with subtle links to some commercial or other web site

The spam bot could be coded to use the initial posts , then follow ip with the response and include the link

However , we can handle that by the spam system filtering iut known addresses to prevent the initial post
And forcing the first ‘n’ posts into moderation

Though, ai generated questions , coyld be s great tool for prompting a discussion which could improve content and learning