JSA should focus on the most important members, the fan favorites and the ones that held the spotlight before. Other criteria shouldn't matter. Some of those should be included, and some shouldn't, at least initially. Sort of like how the MCU Avengers first movie went, then with Endgame exploding the roster, all along gradually increasing the number of heroes they used. That's how any JSA project, comic book or movie or streaming series, should go.