The mods are workin in some capacity to archive important info. You’ll likely just have to wait, or procure your own answers. Shit happpens. You might try posting the query here in the meantime, most people can’t wait to try and flex some knowledge.
Likely because most making those builds are assuming you are running a primer, or are using weeping wounds. If you aren’t using the combo-counter or a primer it’s as you said, just inferior (in almost all typical use cases for melee).
They mentioned on Twitter yesterday that it was unavailable for some issue. I don’t use Twitter so I dont have a link, but a quick google would take you there.
This is a bug that was introduced with Duviri’s release. I made a bug report about it a couple hotfixes in, but otherwise haven’t heard any feedback.