The Deconstruction of Sherlock Holmes

I kind of feel like that line is a red herring honestly yeah I think it's like oh the show's over. We know that it's not the final problem itself isn't in Sherlock's head because as an added bonus because Sherlock wasn't there to hear it so if the final problem is taking place in his head he wouldn't know which on one level that's  a weak point but my other point is looking at what the series is doing as a whole first and then getting into the details. John is trying to figure out who Sherlock is as well as the show because Watson as well as John is the filter between who Sherlock is and what we see as the audience so we