On Thu, 2021-11-18 at 10:51 +0000, Nick Hilliard wrote:
The ask is to update every ip stack in the world (including validation, 
equipment retirement, reconfiguration, etc) and the gain is 4 weeks of
extra ip address space in terms of estimated consumption.

(Not to mention the static 127.in-addr.arpa zone that pretty much every resolver has configured by default these days.)

The burn rate is the best argument I've seen against the idea so far.

-- Steven