The alternative is to go live in the woods, because god knows how many other items in our houses give us a 1% higher chance to have an autistic child.

Yes, unfortunately, there is no way to study and predict what chemicals harm human health, and no regulatory bodies that could stop those products from being sold in public marketplaces. I mean, who in the world could have predicted that sugar free soda would be horrible for your health? Sadly, such technology simply doesn't exist, so we will have to go on and hope for the best, the only alternative being the woods, as you rightly point out.