While I understand your thinking, the problem arises when the uninformed assume that every knife must be totally indestructible or else it's worthless. Our reality friend is a case in point.
granted.
anyone who looks at those tests and thinks "gee, it broke, ergo, it's crap" is a bit of a tool.
i prefer to look at them and think: "gee, it broke. but wow, it took a lot of effort".