Amazon can provide a competing shipping service. If they give me a choice, I'll pick the one that best fits my needs. It might be theirs; it might not be. If th

Amazon can provide a competing shipping service. If they give me a choice, I'll pick the one that best fits my needs. It might be theirs; it might not be. If they don't offer that choice, and force me to use theirs, and theirs fails to deliver according to my criteria too often, I'll shop elsewhere. How did that limit competition?