I have been thinking that all of the Olly foreshadowing is so blatant lately. It almost seems like a confirmed fact that Olly will be instigating or at least playing a large part in For the Watch. Even show-only people are at the point where they think Olly's going to stab Jon.
So my hypothetical question is this: What if this is a big intentional red herring?
Well if it were, there would still have to be some point to Olly's reaction shots and to his conversation with Sam. So that got me thinking...
What if Olly was originally pissed at Jon, but has had a legitimate change of mind through his conversation with Jon and his later conversation with Sam? Here's an example of one possible scenario of how this played/plays out: