I suspect most people don't use a Linux box as their router (with the obvious exception of router distros and embedded Linux on routers). Most people will read

I suspect most people don't use a Linux box as their router (with the obvious exception of router distros and embedded Linux on routers). Most people will read this, I think, and think a Linux client won't accept a V6 from a router that has obtained it's delegation via DHCP-PD..