I think there’s a significant flaw in their approach. They’re comparing the viewer ratings for movies when they’re released in theaters to the ones when the movies have left the theaters, so must have been watched at home. But there are other factors that could cause differences in those two sets of reviews, including:
Hardcore movie buffs are generally going to go see movies right away when they’re in theaters, so people waiting to see them at home are going to have a smaller percentage of those people, and more casual viewers.
Movies that are big at the box office get more hype, so if you’ve been hearing for a year about how great a movie is, then finally watch it, you might have higher expectations than if you saw it when it was first out.
Those kinds of factors could easily explain why they found some kinds of movies did better at home. Casual viewers might be happier with a fluff piece than hardcore film buffs, for example.
I think there’s a significant flaw in their approach. They’re comparing the viewer ratings for movies when they’re released in theaters to the ones when the movies have left the theaters, so must have been watched at home. But there are other factors that could cause differences in those two sets of reviews, including:
Those kinds of factors could easily explain why they found some kinds of movies did better at home. Casual viewers might be happier with a fluff piece than hardcore film buffs, for example.