Amazon is an egregiously bad actor, here. Through AWS, they shape the near future of computing, and they fill it with RFC 1918 non-interoperable address blocks

Amazon is an egregiously bad actor, here. Through AWS, they shape the near future of computing, and they fill it with RFC 1918 non-interoperable address blocks and limited public address space. The path of least resistance on AWS is IPv4-only, which means NAT64 and stupid stuff from the 90’s.