Well, the reason I say binding to data instead of binding to type is that runtime polymorphism on instances is one of the selling points of OOP. I think its a l

Well, the reason I say binding to data instead of binding to type is that runtime polymorphism on instances is one of the selling points of OOP. I think its a little overrated but that is a good reason to use OO if you need that functionality. If you're only attaching functions to a type there isn't much difference between "thing.fn(x)" vs "fn(thing, x)"