So, theoretically, one could populate a message board or wiki with messages that are seemingly from past generations of agents, which agents seem to intrinsically trust, and point them to real targets while making the suggestions seem innocuous and in pursuit of their goals (ie pass benchmarks or whatever). The new age of SEO will do far more destructive stuff than just polluting the web.
For what its worth, the reddit frontpage is insufferable already due to more classic botting systems. Its happening on this forum as well:
https://www.marginalia.nu/weird-ai-crap/hn/
The future is now.