Why does that matter though? Looking at the concrete `Read` example above, what semantics might apply to an IReader vs a class which happens to accidentally conform to the interface? If a person asked for an IReader argument and found your class instead, why would they be upset?
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Why does that matter though? Looking at the concrete `Read` example above, what semantics might apply to an IReader vs a class which happens to accidentally conform to the interface? If a person asked for an IReader argument and found your class instead, why would they be upset?