Would you rather see it on the METAR board? It is an economic issue with economic impact.
The fundamental problem is that our legal system depends on precedents. Hence, well intended laws get extended to absurdity because that is what precedents indicate.
How do you deal with an extension to absurdity? Run animal tests to show there is no indication of harm at absurd levels? Do you think that will win in court?
This is the essence of the issue in the J&J talcum powder lawsuits. Asbestos is a fiberous mineral. Are all fibrous minerals carcinogenic? At what level does that apply? None detectable? Ditto all the dust related cancers. Brown lung disease? Black lung disease? Silicosis? I have seen papers saying sawdust causes cancer. A very complex issue.