Let me distract you from the actual content of the article first (I am sorry), because I am a little frustrated (I usually don't, and always almost give credits to the awesome works done by Mozilla; disclaimer: used to be a Mozilla intern).
This article is too shy from actually showcase the product. Half of the article is devoted to PR announcement (which IMO is really a waste of time for most readers, even for the non-technical ones). Just first paragraph into the article, I had already given up reading through, but instead put my effort in spotting keywords to understand the motivations behind this new system, instead of jargons.
The second half is a brief overview of the new system, but only two lines are relevant to what I was looking for.
It’s filled with features that improve interactions, including functions that show the best comments first,
ignore specific users, find great commenters, give badges to staff members, filter out unreliable flaggers,
and offer a range of audience reactions.
Then the rest of the bullet points are the usual "privacy" and "open source" speech which of course are important nonetheless. So I still don't have my answers (also badges system is really an unnecessary feature for a commentary system, espeically at the scale of a news site like WaPo).
I suggest next time the writer should:
* tell readers the challenges/flaws in existing system concretely and perhaps showing examples
* the finding from their research participants, the hypothesis ,and how they conducted their experiments
* explain concretely how the proposed system will help address the prominent flaws and issues
This perhaps should turn into a research paper, but even as a blog post it should have more substances. At best, this article feels like a company quarterly performance announcement, which I just scan for keywords and move on, then I forget about all of it. So, what is the point of reading this anyway? README would have been far more interesting. I am disappointed.
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Anyway, I don't really read comments on news sites. I can't explain why exactly but I feel disconnected and buried (much like what @creagpatr said about fixed commentary). I'd rather go on FB and comment there, even though there is a fairly good chance no one can read mine. Perhaps the social part of FB feels more lively and often comments are funny as hell. Yes, I know that comments on FB are just as echo chamber as many other places do.
There is a site allows people to take side and debate to death. I forgot the name though...