My 2c.
Now I don't know how traffic is going compared to how it used to be. It could be up. If that's the case, that's friggin awesome.
I do remember, this site used to be "happening" when I first came here. Heaps of action posts and replies, heaps of people.
There are so many places now days for beginner filmmakers. There's heaps of facebook groups, reddit groups etc. Most of them fall into the problem of servicing beginners, which in itself is fine, but it's always a rotating group of the same questions being asked by yet another one-post-larry with the same answers (correct, wrong, angry, do a simple search), time and time again. It's the kind of thing that an AI bot could handle quite easily. Oh, and people asking broke filmmakers to fund their kickstarter campaign. It's something that's everywhere.
If you always do what you've always done, you'll always get what you've always got. Horrible English, but it's a saying.
What are the goals?
To drive traffic?
To make it a special place?
To build a business?
To build a community?
To have its members grow into professionals?
To be a safe place?
To push members to become better filmmakers?
Start with what you'd like to achieve. Then start to look for ways to achieve that.
About the closest crack I've seen to a site like this was that that film school thingy (maybe Rocket Jump) by Freddy Wong a couple of years back. I don't know if a Youtube channel would be the best idea, but it seemed to drive something for them. I think a big part of it was the people who were running it were put front and center. You kind of felt you got to know some part of them.
There's lots of API's for websites/services/apps out there. I'm sure some things that can be useful to the members can be engineered.
I dunno. You might be looking for tiny little things like, "Change the background so you have a dark mode" kind of ideas.