Most of it is comedic and that grates against the solemn overall purpose of the movie. When the time comes at the end of the film for the story to be taken seriously it has lost most of the interest and confidence of its audience.
Let's face it -- should you find yourself in a situation where, when you're lost out there and you're all alone, a light is waiting to carry you home, then you know you are either dying or somebody slipped some LSD into your cocktail.
Everyone's favorite "Uncle Jessie" John Stamos has broken the seal on the Full House comeback -- and it's on like the Beach Boys and a peanut butter/banana sandwich. But will there be any gay characters on the show?