Even if you are a typical user, how much would it possibly hurt Amazon? If this becomes a regular occurrence I can see Amazon's leverage eroding but the company

Even if you are a typical user, how much would it possibly hurt Amazon? If this becomes a regular occurrence I can see Amazon's leverage eroding but the company regularly goes toe to toe with many different industries and holds it own against half trillion dollar a year giants like Walmart. Amazon's core competencies are growing and the network effects are difficult to quantify. I suspect encroaching on Amazon's market dominance would be a hard task even for Google, let alone B&N