Well is Mladen not arguing for contextual matters?
As for injury setbacks the problem is coaching. Overuse injuries is quite a clear message. All you have to do adapt the training to the context. You can have a progressiv template. But when the achilles starts to hurt be flexibel.
Where did I say he isn’t? I know English isn’t either of your first languages, but try to understand that I believe he is over-complicating matters for the numerous reasons I have described.