Offering a Mailman-like sign-up process

No, I was simply making an observation about the impression it creates. I agree it is not the intention of the developers for it to look like this.

Most of my own expertise is in real-time communications, so the best way I could probably contribute would be helping somebody develop a WebRTC plugin.

In any case, before anybody has a crack at developing these improvements, it is useful to discuss them and agree what the team would like to support in the long term, that is why I raise a lot of ideas before any code is written.