But, why would you think DC would do the right thing and give us a JSA book?
They have a long history of AVOIDING doing just that. They even take decently-selling runs and either cancel them or sabotage them because some people at DC seem to think they shouldn't have a book with a bunch of old guys being heroic.
And when they first were implying they were bringing back the JSA during the New52 and instead gave us the faux-/wannabe-Earth 2, . . .