Thanks for the link, for which there's the counter-argument, "The Harmful Consequences of the Robustness Principle" [0]:
> A flaw can become entrenched as a de facto standard. Any implementation of the protocol is required to replicate the aberrant behavior, or it is not interoperable. This is both a consequence of applying Postel's advice, and a product of a natural reluctance to avoid fatal error conditions.
> A flaw can become entrenched as a de facto standard. Any implementation of the protocol is required to replicate the aberrant behavior, or it is not interoperable. This is both a consequence of applying Postel's advice, and a product of a natural reluctance to avoid fatal error conditions.
[0] https://tools.ietf.org/html/draft-iab-protocol-maintenance-0...