And yet its present as a mineral in many of the mines in Canada (eg: the Thompson nickel mine, most diamond mines, etc.) and no one is dying of asbestosis. So either it’s overblown (everyone adds their safety margin to the numbers up and down the line until the threat of a single molecule…), or the safety mitigations in place in those mines is working.
Like seriously, some of the rock in those mines is 50% asbestos.