Earlier quoted context omitted.
"be careful in doing your review." Says the lazy poster who just made a bunch of claims himself and didn't cite anything!
The burden of proof is on the one making unsupported claims, not on the one questioning the unsupported claims. (It's tedious to post supporting studies on every post, so there's nothing nefarious about claims being initially unsupported.) I do agree that the "be careful..." comment is perhaps open to being interpreted as snarky, though it's always hard to infer the intent in a forum such as this.
When public health issues are concerned, the burden of proof is on the ones saying exposure does not present any risks worth worrying about. The FDA doesn't usually come in with the approach that we should just try everything out and see how it goes.