Whether or not he crashes the economy, I think it's almost a forgone conclusion that what you're describing happens.

They're already loosening standards/funding at the FDA, CDC, and FAA. I wouldn't be suprised if these wingnuts deregulated CFCs and asbestos. Whatever manufacturers ask for, they can probably get; especially if they can call it climate change hoax or nanny state BS.

It will result in so much death and suffering. Some of it will take decades to manifest like relaxing allowable carcinogens.