Targeting is your word, not mine. We cohort users by spending activity and learn from them in the same way a Macy's buyer will learn from their most loyal customers. My friend works as a buyer for children's clothes and they make the same business decisions I make about inventory and store layout.
We maximize for users who spend large amounts of money (incidentally none of ours have spent $10k, more like $100) because this and engagement data is the only data we have in determining customer loyalty. So we ask ourselves questions like "If this user found enough value out of this feature to spend $100 on it, we should make more like this".