Correct. I find Docker an interesting example of a fundamentally elegant approach that, possibly to facilitate commercialisation, was documented in a way that,

Correct. I find Docker an interesting example of a fundamentally elegant approach that, possibly to facilitate commercialisation, was documented in a way that, instead of imposing any particular culture (such as, say, Nix or Haskell), strongly aligned with the preexisting culture of operations and system administration—the resulting ease of adoption and popularity (and, I assume, broadly deserved financial well-being of the original creators), however, could not come without a variety footguns along the lines of which you have described.