It reverses the equation from might this and that to this and that being guaranteed. No need to play games with all of the opportunities.
Some day everyone will have a mobile phone that is in mobile coverage. My small patch in Eltham has 1 bar of 3G service. The maps tell me I have 5G (so should at least have 4G). Someday it will be all right. I am sure it will but not sure why or how the Telcos will be cajoled to fix black spots, especially urban ones, not worrying about the vast outback.
I had a related topic that has largely fallen dormant but it would be the proper place to continue your thoughts regarding cash and payments.