Riot already uses it in Clash tournaments, they know how much it reduces smurfing. In CS:GO you need to link your mobile number to your account so you're able to play prime matchmaking. "But you can get a fake number online!!" Yeah no on...

Have you guys seen this? the act rank gun buddy is changing when you switch guns (not consistently). https://preview.redd.it/6pcqe60exvc61.png?width=1352&format=png&auto=webp&s=f15116e3f19463a706bdae186bf98230fa04418b