On top of this you have the legal system in US, where you only (?) have to prove that it is not unsafe, compared to Europe where you have to prove that it is sa

On top of this you have the legal system in US, where you only (?) have to prove that it is not unsafe, compared to Europe where you have to prove that it is safe. You can see how this play out in how the nations handled the news of the accidents. Europe put the plains on the ground as precaution, US needed proof that is was unsafe.