Well, the one good excuse for the short durations is that the two main mechanisms for certificate revocation don't actually work very well. In other words, the

Well, the one good excuse for the short durations is that the two main mechanisms for certificate revocation don't actually work very well. In other words, these idiots that got us into this mess didn't understand how anything works. These same idiots are now making decisions that only make sense if everyone operates like Google. The real world does not operate like Google.