Caught up on my past episodes since I was 4 shows behind. Wow. I still very much enjoy the show
I took Manhattan's action to be that of Dr. Strange. He knows what happens and despite the tragedy that must occur, it is for the greater good. Now I highly doubt it's all sunshine with only one major death like Endgame. I believe Manhattan mostly just exists without interference, finds intrigue/questions when he can, and acts when necessary - now that is not to say that he didn't change the timeline, he may have because it needed to be done. So it's like 50/50 that we are all right
Veidt has always been my favorite Watchmen character, so I'm always happy when he comes on. Can't wait to see what that smart whack-job will do next.