The purpose of the testing was to make sure that good products made it to the market.
No, the purpose of testing is to make sure profitable products make it to market. Even the most good-intentioned company (do they exist?) has their priorities set by shareholders.
For example, airlines have a set price they will pay the families of people killed by them. Is it moral? Is it ethical? No. It is financial. What can they offer, without having to enact costly behavior and safety overhauls…