My god, and we thought those english teachers were idiots when they insisted we should learn things like reading comprehension and metaphors.

It's a poor metaphor. Real tolerance necessitates intolerance - see Marcuse. What is a browser going to do, send malformed HTTP requests and name-and-shame any server who refuses to respond? Servers vs. browsers is not the same type of relationship as people vs. people.

Not to mention that the author's metaphor is implying that certain types of people are malformed.

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