Plenty of mobile users use wifi at home/work. Telling them to disable their ipv4-only wifi just to play your game is going to be a non-starter, especially when

Plenty of mobile users use wifi at home/work. Telling them to disable their ipv4-only wifi just to play your game is going to be a non-starter, especially when the cost of ipv4 address adds negligible cost to infrastructure. Is your CTO really going to massively increase user friction ("turn of your wifi to play!") just so try to save a few cents (comparatively speaking) on infra?