They should probably add that merely adding yet another protocol centralizes things. Implementing them takes time and you need many implementations for the protocols themselves to become de-centralized. This is what breaks most new protocols and languages combined with diminishing returns (low hanging fruit has allready been harvested). Personally I'm going back to HTTP, DNS and SMTP. And even if DNS is completely ce…
Same as in AWS (IIRC) in Google Cloud you don't get billed for static IP addresses if they are in use:
"If you reserve a static external IP address and do not assign it to a resource such as a VM instance or a forwarding rule, you are charged at a higher rate than for static and ephemeral external IP addresses that are in use.
You are not charged for static external IP addresses that are assigned to forwarding rules."