And the answer is that if you ask nicely, talk sensibly, leave out the rhetoric and politics and opinion, anything is possible

One of the main reasons that users are tended to be steered to ML for dev talk is that it is quicker and easier to read, and often the devs that there are only tend to read the ML regularly, and not the forums. The forums were intended to be a place for USERS to discuss and help each other. It was never meant to be a design/development area - that's what the ML and bug tracker are for.
Yes, I ought to come here to the forums more often myself, even with my limited skill set, but I have enough other lists and stuff to read and the forums just take to long to read at a quick glance. Ironically I got here from the bug...... so the system DOES work.... ! Bugs and ML flag things to the devs and other senior members.
I have started using Tapatalk on a few foro which is quite handy and have asked Daniel if we could have a look at implementing it here as I believe there is a Simple machines plugin.
Anyway, I hope that the new dev forum is useful but please remember that eventually any changes or new features etc need to end up in a bug - the bug tracker is THE central repository for anything important. Always has been, always will be. To get things tracked, tested, and verified, it needs to end up there.
Yes, in the fullness of time that could be github or wherever, but the point is that you need one central place to track your development process (most projects use something similar). Forums were not designed for that purpose.
B. Rgds
John