This paper explores one such danger and there are other papers which show it's possible to use LLM to aid in designing new toxins and biological weapons.
The Operational Risks of AI in Large-Scale Biological Attacks https://www.rand.org/pubs/research_reports/RRA2977-1.html?
An example of such an event: https://en.wikipedia.org/wiki/Tokyo_subway_sarin_attack
How do you propose we deal with this sort of harm if more powerful AIs with no limit and control proliferate in the wild?
.
Note: Both sides of the OpenAI rift care deeply about AI Safety. They just follow different approaches. See more details here: https://news.ycombinator.com/item?id=38376263