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> what will happen on a super bowl night?

Wireless multicast means that the superbowl will be sent out once to many subscribers.

That is unfortunately not the reality. It is impossible to do Internet-scale multicast streams without IPv6 and cooperation from the broadcaster.

> It is impossible to do Internet-scale multicast streams without IPv6

Wait, what? How did IPv6 become a multicast dependency? PIM/IGMP is difficult, but is quite possible without MLD/IPv6. Don't forget class D space.

Because of ipv4 NAT maybe?

Sprint just turned off ipv4 and 5g (at&t / t-mobile / vz) explicitly support multicast.