[tptacek]

Name the popular services that have it. Here's a start: collect a list of popular domain names --- any of them will do --- and write a bash script that loops `dig ds $domainname +short` over all of them. You'll find that I'm not exaggerating, and that my summary of the state of play was in fact accurate.

There is no value to DNSSEC, which is why virtually nobody seriously uses it.