For
It makes social movie-watching more enjoyable.
Against
It ruins the experience for serious viewers.
Anonymous excerpts, translated where noted.
“I've never minded if people talk during the theater to their friends as long as they're discussing the movie.”
“If we are watching Captain America or some goofy comedy it doesn't matter, we can chat.”
“At the theater, zero talking.”
“This is why I won't watch movies with people who talk.”