Because I give you the benefit of believing you are erudite, and an erudite man would be able to grasp what I meant. How else would one say it? Or do you take every single thing you read literally? I don't think so. But you do take things literally when it suits you.
It's a bit like your reference to my wife in another thread which you later said was meant in a different way to the way you wrote it. And that was personal.