You bought products, you're a customer. You make products, you're not a customer. You need them more than they need you (unless you're talking about roadblock problems for an insignificant portion of developers.
Are you sure? how do you think makes more money with the AppStore? Also i paid to be a developer so i still am a customer. And if it was for that even normal customers need more a computer than what Apple needs them...
You are also forgetting that if it wasn't for the developers that created the content in the AppStore the iPhone would have been just a phone like all the others.
You are also forgetting that if it wasn't for the developers that created the content in the AppStore the iPhone would have been just a phone like all the others.