In my part of aviation (not in the US) we have a person responsible for each subsystem, and they very much risk going to jail if it turns out they've been negli

In my part of aviation (not in the US) we have a person responsible for each subsystem, and they very much risk going to jail if it turns out they've been negligent. If it's not safe, you don't sign the papers saying it is. People wouldn't dream of doing the equivalent of putting a prototype car on public roads with an aircraft here.