The Giant Falls is the fourth Netflix movie in five years from Argentinian director Marcos Carnevale. And par for the course with the uberstreamer’s reputation for cranking out blandly watchable mediocrities, they’ve all been modestly ambitious but not particularly memorable. Like All Hail (famous weatherman’s career is destroyed when he whiffs on a historic hailstorm forecast), The Heart Knows (a heart donor’s lover gets involved with the transplant recipient) and Goyo (a romance between an autistic man and a woman