Actually, there will always be behaviours that are not the product of evolution (as in natural selection of desirable qualities). There's always a chance of ra

Actually, there will always be behaviours that are not the product of evolution (as in natural selection of desirable qualities). There's always a chance of randomness in gene reproduction, and so we live in a world where a few people are afflicted with genetic diseases (like down syndrome). Perhaps you are using a broader definition of "evolution"?