So it's okay to expose people to whatever might kill them and only do something decades later when proof overwhelms companies and politicians trying their best to do nothing in the name of profit?
This prediction may turn out to be true, but why should I believe your prediction over that of anyone else's? Do you have some insider knowledge or expertise that you can share?
Edit: Also, what do you give the odds of your prediction, by severity of outcome? I want to see how the odds you provide stack up against the economic and thus social consequences of under-regulation or over-regulation.