Agreed. ISPs only handing out /64 is very aggravating, because one can not subdivide them without breaking SLAAC. One can hand out smaller subnets with DHCPv6,

Agreed. ISPs only handing out /64 is very aggravating, because one can not subdivide them without breaking SLAAC. One can hand out smaller subnets with DHCPv6, but that is broken in a lot of clients that assume /64 subnets blindly somewhere.