Oh well, we did know how well that stuff burns, why it's not used in many countries except Britain, how toxic the fumes are etc. The industry knows how to not

Oh well, we did know how well that stuff burns, why it's not used in many countries except Britain, how toxic the fumes are etc. The industry knows how to not build a 70 m matchstick. This is clearly not a case of "but we didn't know!" / "who would think of that happening".