We don't need to do that and can't because the technology is incredibly complex and even if you understand that stuff your curtains could be the real fire hazar

We don't need to do that and can't because the technology is incredibly complex and even if you understand that stuff your curtains could be the real fire hazard in your room. All of this is covered by consumer protection laws very successfully - recalls.gov has just a handful a day across everything, Amazon alone sell over 200 million different products.