I didn't see it as not being powerful enough or not caring, but just not having a clue what he was doing. Granted, once he realized he had %$^#ed things up beyond all hope he wasn't exactly broken up about it, but he did vaguely try to follow orders and rescue the jet. Saving people isn't what Supes are about. One of the whole points of the show is that in this world superheroes are kind of a joke when it comes to actually being superheroes. Their real job is just to give the impression of being superheroes so that Vought can profit from them. The "rescue" was an attempt by Vought to have them actually play the role (so they could get lucrative defense contracts), and it backfired horrifically but predictably.