Why would you (or any customer) pay the initial $4.99 if you knew about and objected to the in-app purchases? Or if you didn't know, why would you pay the init

Why would you (or any customer) pay the initial $4.99 if you knew about and objected to the in-app purchases? Or if you didn't know, why would you pay the initial $4.99 unless you thought the product was worth it as-is?