Designs are often good, but the manufacturing process can really screw things up. It only takes one person to make an incorrect decision during manufacturing, when nobody is watching, that can have disastrous effects months or years later. Myself, I'll stick with redundancy over a larger factor...
Wow, there is no redundant safety mechanism on the inboard cables. A single point failure anywhere in those cable/connections will result in, well, it won't be pretty especially if someone is under the lift.............