I don’t think the reference to Postel’s law is correct here: Postel’s law is about robustness, not about abstractness.
Furthermore, taken at face value, Postel’s law was a phenomenal failure in principle and in practice (see e.g. [1]). In hindsight it’s probably a bad design principle.
Furthermore, taken at face value, Postel’s law was a phenomenal failure in principle and in practice (see e.g. [1]). In hindsight it’s probably a bad design principle.
[1] https://tools.ietf.org/html/draft-thomson-postel-was-wrong-0...