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I often hear a Model must be wrapped by a ViewModel that the View is not coupled to the Model/not aware of it.
With MVC it is common to bind the View to the Model… nobody complains so what ?
I am frightened of creating all that wrappers and doing nearly only duplicating property stuff.
In some cases you don’t need to, just as you don’t need properties in many cases but can get away with public fields.
But your model should mirror the domain structure and logic, while a view model mirrors the UI structure and logic. At least, as far as I understood it. Those two are not necessarily the same and each one can change independently from the other.