I have been given to understand that I am somewhat outspoken in my love for the 2007 Tim Burton adaptation of Sweeney Todd. Whatever your complaints (and I‘ve heard them before, I guarantee it), I would like us to set them aside for a moment and consider the movie as an adaptation alone.
A good adaptation is like a game of Jenga. You are going to have to pull out some blocks, there must be no mistaking that, but the trick is to pick which blocks to pull out so that the whole thing does not come tumbling down. I bring this up because any discussion of the recent movie of Into The Woods among musical theatre aficionados will inevitably come back to what was left out, so let us address that first.