Didn't read about problems with it since 1763 . . . .
In the final thought the closing sentence>
Hopefully we’ve provided enough information to help each rider determine which crank is best for them
Most people are not knowledgeable enough to see the flaws in these kind of test neither they know to interpretate the outcomes and translate them to real world conditions where a lot of other parameters changes outcomes of such a stiffness test.
So what can people really do with it?
Nothing
What can fairwheelbikes do with it?
Drawing attention to guide people to their site