I don’t agree or disagree, just found the article interesting. Many (on this board and others) will say, “Why isn’t this stock acting a certain way? It should be be doing...”
As a chartist of nearly two decades I can attest to the fact that indicators just stop working. Seen it too many times. If this were not true, there would be no such term as ‘divergence’. You frequently have to accept ‘what is’ and adjust your current paradigm.