The thing is that the harm was decently well known (not widely known, just well known by those who studied it) prior to the boom and emerging companies knew that if regulations were put in place, they would be out of business. And that’s exactly what happened in 1990 (I think actually an official ban on manufacturing from the EPA occurred in the late 70’s, but US distributors were allowed to clear their inventories until 1990). The manufacturers saw a massive opportunity to make a lot of money, so they ignored the science and potential consequences, made deniability part of industry culture, and no one held them accountable until a lot of damage had been done. The paradigm around workforce safety regulations has changed a lot in the past 75 years as well, so part of this is ethics and part of this is trends and what people think is acceptable, but it shouldn’t be about trends at all. Being exposed to extremely toxic substances in the workplace or as a consumer is just unacceptable, period. And I think that sentiment goes much deeper than simply being someone’s trivial opinion.