Regardless of this, I see phone network as a legacy thing that in perfect world should already be replaced with lightweight upgradeable calling protocol over IPv6.
This would apply equally to said IP calling network since you'd need a SIM card to access the tower interesting strewn across the country either way.
This is essentially requiring ID for IP connectivity.
This would apply equally to said IP calling network since you'd need a SIM card to access the tower interesting strewn across the country either way.