The best prevention for dust diseases like black lung and brown lung is for those exposed to wear dust masks.
That is often a problem where it is hot and sweaty. Mask wearing often gets resistance. But then who is at fault? Employer or individual who resists mask?
Problem is usually made worse by smoking.
Is this a public health issue? Should tax dollars be used for treatment?
Makes sense to spend tax dollars educating on the risks. If you disregard the advice you should be responsible for your own care.