Plastic is not very reactive. This property makes it generally not directly harmful to organic health, but also notoriously slow to decompose, causing huge amounts of pollution. I think it's misleading to compare it to asbestos.
Using chatgpt and copilot has been a huge productivity boost for me, so your comment surprised me. Perhaps its usefulness varies across fields. May I ask what kind of tasks you have tried chatgpt for, where it's been unhelpful?