Some of WW's foes could use some work, but I don't think WW's rogues suck. Many good ideas in here.
That "determined effort" (or lack thereof) is key, imo. DC really needs to hire and empower a passionate editor for WW; one that will fight for her. No more Green Arrow punking Cheetah; No more Doom Patrol stealing Veronica Cale. Better treatment of WW's world is a must for a better WW.
I also agree with Nyssane (and others) that WW works best when the stories are a nice mix of myth and super heroics. Too much myth and she kind of becomes an "me too, also ran." For example, she kills Ares and becomes God of War? As a concept, I've already played that game. Just as the mythical side makes her more unique among her super friends, the super heroics makes her more unique from her mythical counterparts.
While she's playing in the mythical world, don't limit her to just Greek. Sure, that's the foundation, but it's a big world out there, don't restrict her. Let her get out and explore more. And make it matter. Azzarello was right when he said she isn't allowed to save the world like others do.
DC should make an effort to showcase her and her rogues in her own title, in stand alone ogn, and in a big, company event.