CMO:

Does it really matter if you're talking to a computer, if it means you'll get the best response every time?

You:

Well, we're making a bit of a trade$-$off here. The kinds of problems we want computers to solve are too complex to write code that will always give the "right" or "best" answer. Sometimes we just need "good enough" in exchange for getting to the solution more quickly. Due to this complexity, AI systems rely heavily on $.$