sassy obi
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I never said they were on friendly terms. Sassy Obito is sassy, but as we can see, he also couldn't do anything to disobey, if Madara had specifically not wanted Obito to talk back, he wouldn't have let him. Obito was never Madaras friend, or ally, but they shared common goals, and Madara planed it so that anything Obito did was actually serving Madaras purpose.
I really wouldn't call that defying either, he just was making his stance clear, but at the moment they were still forced to work together. Obito wanted to be in control, but anything that he did was allowed by Madara up until Kakashi stabbed the seal off of him. He could have been lying to zetsu, but I really don't think so. He clearly needed Madaras help to fend off the alliance and he knew that. He knew the power of the shinobi and he knew the power Madara possessed was needed to help with his goals. He knew all of this and planed accordingly up until pain threw a wrench in that plan. No Obito did not want Madara to be the Jinchuuriki, but his actions could not stop it until he removed the curse seal. He wanted to defy, but he couldn't make any action that was explicitly against Madaras will.
I can't call that scan defiance, but a stating of how their position is laid out and why Madara hadn't already blasted the Shinobi alliance to bits. It was backtalk, but he really couldn't do anything to further his puspose and Obito knew this because he knew about the curse seal.
Even if you consider that an act of defiance, then I simply need to restate my previous statement. In that just because Obito was defying Madara, does not mean that he didn't want to revive him. As your scan indicates, Obito had a (perceived) position of power over Madara. This in know way contradicts what I said in my previous post, he still wanted to revive Madara because he needed him.