There was that video from a few months ago from… Prints with layers I think? That looked at the actual particulate and volatile counts and found that PLA actually gave off very little? Other plastics were much worse.
So remember that the particle counts matter as much as the danger of the particles.
(Disclaimer, that was a video, not a peer reviewed scientific paper)
Anyone wanting to put vulnerabilities into Linux is probably capable of not looking like they are in Russia…