And the difference between them and the Sentinels was they were their world's greatest heroes. Now Captain Atom definitely would qualify as one of his, but Nightshade, Blue Beetle and the Question? Not so much. With Atom wearing the multiple hats of franchise player/flying powerhouse/living legend, the rest pretty much over compensated on the urban avenger front (with token female thrown in for good measure). Not like Charlton had many others to fill those shoes... the original Blue Beetle had not returned yet (but would soon after), Son of Vulcan was no longer relevant, and Judomaster was stuck in World War II with no way out (until the Crisis time-shifted him to the present).
Next week we'll dissect two more attempts at revitalizing the Sentinels for a more jaded 1990's readership, and whether they elevated the game of second-string superheroes as had their Mighty counterpart at Archie.