I'm amazed at the person cited in the article who worked in administration at a quarry, developed silicosis and didn't know what it was. That suggests it's not

I'm amazed at the person cited in the article who worked in administration at a quarry, developed silicosis and didn't know what it was. That suggests it's not just people willfully ignoring PPE practices, it's that they genuinely have no clue how dangerous rock dust is.