The main web site and blog show icons for both reddit and the Discourse:
But you can see which ones are first, and which come last.
And the “Community” link goes to reddit; judging by the number and pace of replies there, that seems to be a more active community, and RL is making the choice to encourage that group as the Soylent community over this group.
If you look at a blog post, their share/discuss widget gives you the following options:
Lastly, people have complained about this Discourse not being SSL-encrypted. I see that it now is, but that that there are some encryption problems (some content on the page comes up unencrypted.)
I have to believe that RL is pushing away from, and giving little support to, this Discourse. I’m disappointed; I’ve become a fan of Discourse, and this community is the first place where I’ve come across it. I doubt they’ll shut it down or abandon it - no any time soon, at least - but it’s clearly not going to “the place” in the future.