At some point, someone is going to have to agree that additional safety at additional cost is not worth the cost. This HAS to be discussed and agreed upon. Our cars could be made much safer. There is even a respectable argument that making a car safer is actually counter productive. There is evidence for this phenomena.
Tools are another case where things get complicated.
These protections exist for my saw, but I've never installed them as they take too long to install and remove depending on what I'm doing with the saw. But, the manufacturer does need to analyze these issues and will have to make a decision. The analytical process is extremely ethical. Decisions made later can range from unethical to downright stupid and the results can hurt and kill people. But to say that talking about these sort of issues is anti-humanistic is really a stupid position.