>By going with "everything is an Object", there are no constraints on the interface. Every class of objects has it's own set of methods, and tools need to be de

>By going with "everything is an Object", there are no constraints on the interface. Every class of objects has it's own set of methods, and tools need to be designed for specific classes/interface rather than for "everything". Interoperability will be lost. Not if every object inherits from a base interface that defines basic operations