Like most tech stories this had pretty much nothing to do the tool itself but with the people/organization. The entire article can be summarized with this one quote

> In short, organizational decisions and an overly cautious approach to resource isolation led to an unsustainable number of clusters.

And while I emphasize with how they could end up in this situation, it feels like a lot of words were spent blaming the tool choice vs being a cautionary tail about for example planning and communication.