You say that simply because you cannot use it how _you_ want, the whole system must be junked, you could simply install a webbrowser and use the system, or a PDF viewer, all of this is free software and not very hard to do. PDF viewers and web browsers are the most basic tools these days.
Maybe if you paid the people who made the whole GPLv3 commenting infrastructure you might get what you want, but until then, they are going to work on something the majority of people can use easily, and they have done a wonderful job achiving that IMHO.
This is why you should not have kept out of politics.
The participation mechanism acts as a pre-selector of participants. How are we to know how many would-be participants are excluded and silent because the participation mechanism excluded them.
Nobody has excluded MJ, he is quite free to add such a feature him self, or pay someone to do it.
The rest of your post I simply do not understand.