No, you are not owed any explanation about "We know who really are." He's dead, so there's no more reason to say "You're still alive because of what you are back in Chile." The show is going to feel anticlimactic without Gus around now, and they're not going to explain anything more if they don't have to. There's far…

It's sad that Walt was given his "win" by a writer's fiat. Why would they miss something so obvious as that bomb if they were cautious enough to sweep the room for bugs (and stay one step ahead in every other episode)?

How disappointing. Where did Walt come up with the Predator-style invisibility cloak to plant his bomb automagically and get away without any complications? The bomb wasn't even hidden. Why I'm expected to believe that they were so painstakingly through to sweep for bugs and every other angle, but not notice the wires…