I am a disinterested observer in all this but the issues seem to be in the concentrations involved in the production of the materials, not in the wearing of them.

The grandparent comment seems to imply that wearing these materials is a cancer risk but it really doesn't seem like that is the case. Am I wrong? I can't find anything that indicates it is an issue.

(I live in an old house with some asbestos-wrapped ducts, I think asbestos is bad and should not be produced anymore but I also think that the duct wrap in my house is not endangering my family.. this seems like that sort of a situation to me.)