Some doubt certain protocols, like here: https://sockpuppet.org/blog/2015/01/15/against-dnssec/
More than one vision in the world, like now FTC urging firms to enroll DMARC against PHISHING.

See:

polonus

P.S. Just for the fun of it, this sockpuppet contribution on the DNS backbone: https://sockpuppet.org/blog/2016/10/27/14-dns-nerds-dont-control-the-internet/

Damian