I saw the poster but didn't notice the blinking either. Rick is simply pretending to roll over, even recealing his true intentions to Michone or Carl would ruin his super secret master plan.
This weeks episode was a little slower but helped establish what kind of pile of crap Gregory truly is.
I am not sure what to think of Gregory...I mean he is clearly looking out for himself and his people which is totally fine but he does seem like a worm.
Let me ask this...do the saviors have all the roads blocked? I mean...why not just pack up and leave where they are at?