3 key reasons Disney's 'Moana' flopped in its box-office debut

The live-action remake of "Moana" didn't draw as many fans from the couch as expected. Kevin Mazur/Getty Images for Disney Disney's new "Moana" movie fell flat in its box-office debut. The movie avoided controversy, but didn't excite audiences. It also faced competition from "Toy Story 5" and "Minions & Monsters." "Moana" bellyflopped in its box-office debut, and the miss should provide Disney film executives with some hard-earned lessons. Disney's new live-action remake about the…