This seems like a problem that really shouldn't be a problem. How can the cell companies share data with the NSA against the wishes of their customers, yet not

This seems like a problem that really shouldn't be a problem. How can the cell companies share data with the NSA against the wishes of their customers, yet not share information with 911 which is clearly in the best interests of the customer? I just don't get it. Do corporations really don't give a shit about whether people live and die?