If you are worried that team members will not keep sensitive information private, you could ask them to sign a agreement. A. Non-confidentiality
B. Security
C. Non-disclosure

The camera still is bad even with the new iphone xr and especially in low light it is even worst because you can see the pixels more if its in low light. if all you apple customers want apple to fix this then lets fill there feedback with complaints about the can apple do to fix this issue?