I felt they were already doing most things that could be done, tbh. The alternative approach, mining obscure properties like Peacemaker, ancilliary characters like Batgirl, comedic fun concepts like Shazam, putting diversity front and center with Blue Beetle/Aqualad/Val-Zod, all the while holding onto the Snyder elements that could work, like Aquaman, WW and Flash. Using HBO Max for a lot of it. Rebooting their cash cow with an interesting director.
Outside of that, I feel the Justice League name alone still has a funk of controversy and feels a little toxic. With Superman, I'd like a reboot (new take on the Kents!), but business-wise, I think they'd also see there's not much mileage to be gotten out of Snyder's Supes anymore, as anything than could be done can still be done with a new cast. But they might have felt rebooting Superman right now makes no sense while they're still unsure of how to integrate him with their long term plans... what's the point of having a Batman and a Superman if they're both gonna be disconnected from everything else.
Very cool hearing he's on the new priority list, though. Hoping for good stuff.
