Coffeescript has got rid of so many syntactic markers and declarations that it has almost no error detection.
For example, the sentence 'mares eat oats and goats eat oats and little lambs eat ivy' generates no errors in coffeescript.
Nor will the obvious error 'return if ab then'
According to divine doctrine of capitalism, the company's first duty it to its shareholders and the company takes care of its customers and employees only to the extent that a lawsuit or lost sales might hurt its bottom line. Fortunately for this company, it has the FDA and the customs service as its enforcers.
I think stealth just arranges for reflections not to be bounced back at the transmitters. If you have a lot of receivers located in other places you'll still see the bounce. Sweden has a system like this.