Do we really need cookies in this day and age? What nutrition do cookies give you that other sources don't? Are these dumb questions?
Why? What nutrition does milk give you that other sources don’t ? It’s mostly cultural at this point
Discussion
Cookies are fun food. Do we need? Nope. Do we want, yep.
Same goes for milk. Do we need? Nope. Do we want? Upto you.
Subtle difference. Makes a huge difference.