Only someone with no grasp of toughness and impacts would say it is "grade school stuff". It is not.
The fact that you can do the same bad "test" over and over again is not how one defines that a test is repeatable.

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Repeatability is if you do the test 10 times, do you get the same results every time. I thought some of the basic definitions were understood, but I guess not.
How much you like a knife, how it fits in your hand, or your opinion of how it has performed for you in normal duty has absolutely nothing to do with why a knife breaks when hit with a steel hammer.
There is a big difference between a review and a test - a review is subjective, and a test should be repeatable. If it is not repeatable, it is a review (or a stunt), not a test.
A review will tell what the reviewer thinks of the knife. A test should measure some characteristic or property of the knife or steel. And if you do it 10 times, and you get scattered results, the test is not repeatable. Pretty simple concept.
I get the impression that the fanboys think watching a knife break and what causes it is a matter of conjecture & opinion. And then they are offended when someone tells them they are making bad conclusions. Your comments sure give me that impression. Opinion and subjective characteristics have nothing to do with failure. What causes something to fail is something that can be determined with knowledge, inspection, and testing. Your or my opinion has absolutely nothing to do with it.
I have been civil in these discussions until your buddy noss4-y started talking smack. I long ago realized the videos did more harm than good after all the fanboys blew the roof off by stating all kinds of ridiculous and incorrect conclusions based on watching a video. And cry, then attack anyone who tells them their "opinion" is wrong.