The Note series is designed to be a serious workhorse. A lot of the people who own them need the battery to last, so they replace it when the battery life drops below an acceptable level (for them). This is likely well before the battery "dies".
The non user replaceable battery and the curved screen are keeping me off the Note 7, not the exploding battery. I need a replaceable battery for the reasons above, and flat screen so I can add a case that protects the screen adequately. Both of these are about device lifetime.
Samsung is opening up an opportunity for another supplier. Hopefully one takes up that opportunity.