The Agile Manifesto is an immune response on the part of programmers to bad management

This guy wrote a pretty decent article on Agile that really resonated with my experience of agile being rolled out at multiple companies.

https://doriantaylor.com/agile-as-trauma

In my experience the pain is really summed up by conflicts between the inherent unknowns in software and the desire for predictive planning in the business.

The problem is that you and/or your team can only eliminate a fixed-ish number of bits of entropy per unit time, and at the outset you don’t know how many bits there are in the problem to eliminate.

and

…methods are inherited from military and civil engineering, and who, more than anything else, need you to promise them something specific, and then deliver exactly what you promised them, when you promised you’d deliver it. There exists many a corner office whose occupant, if forced to choose, will take an absence of surprises over a substantive outcome.