Got to love a site about encryption keys that shows invalid certificate in the a browser.
https://secure.grepular.com/Why_Does_this_Website_Generate_S...
http://wiki.cacert.org/InclusionStatus
It's just not included in the major browsers atm.
Thus my statement which was factual and not incorrect. If the browser vendors don't vet the certificate authority then most people will get the warning.
So what was the point of your comment? It sounded to me like you were suggesting that people shouldn't post articles about encryption, when their website uses certificates that your browser doesn't automatically assign trust to?