You look at a herd of cattle and well they all look the same... but they know. They all have an individual personality and those personalities change from day to day. They can have their grumpy days and their happy days and their serene days. But it's unpredictable. You can't be off in outer space when you're dealing with animals.
Nevertheless I consider OOP as an aspect of programming in the large that is as an aspect that logically follows programming in the small and requires sound knowledge of procedural programming.