That would explain it to some degree. I stopped by the excellent dialBforblog archives and read up on the difference between "ghosts" hired by DC and those hired by Kane directly. And I can see how Kane would have wanted those he employed more discreetly to mimic his own crude style ( as much as he bothered to draw at all). I will say however that the earlier "Kane" work attributed to Lew Sayre seems to have a fluidity that the Moldoff stuff lacks. In the Bat books, Moldoff's characters often look stiff and clumsy in action poses. The Paris and Sprang stuff from the 50s - which I gather was commissioned directly by DC, manages to have a look that compliments Kane's "house style" and surpasses it as well. Since Kane would have had no problem sticking his name on Frank Frazetta's work had he been hired to do a Batman strip, is it possible that Moldoff's inferior work was actually the result of Kane actually inking it, and not so much an effort to "hack it down"?
Before Robinson and others took over Batman, strips signed by Bob Kane looked like work signed by Bob Wood. It is possible they both used the same ghosts. Bernie Klein might have drawn some of the work. He worked for Lev Gleason, MLJ and DC at one time and signed as Bob King. I think he stopped working in 1944. Just wondering...