I always felt the theme of Breaking Bad was hubris, morality, and choices. Walt achieved his goal of setting his family up to be comfortable after his death. But his pride and hubris couldn't give up the power that he finally had attained after a life of mediocrity and untapped potential. That part was executed perfectly. But the whole series I was waiting for the breaking bad part. By the time this show came around, the anti-hero/villain main character was beyond established. Audiences had already fallen in love with bad guys like Tony Soprano and Vic Mackey. So Walt doing bad things wasn't necessarily something that would make the audience dislike him.
I personally felt he didn't break bad until the moment he pointed out Jesse hiding under the car. That was a wholly selfish, petty, vindictive act perpetrated upon the character the audience had grown to link to Walt through thick and thin. So to finally get to that point and have him free Jesse at the end just undermined the whole breaking bad thing. Walt dies with a smile on his face. He sets his family up to receive millions and does so at the detriment of the people who screwed him over back in the day. Walt wins. Yeah, other characters suffered as a result of his actions, but at the end of the day, the repercussions of his actions ring hollow when we've been rooting for him as those consequences happened anyway.
When you take into account sillier things like a man dying of cancer and on the wanted list driving from New Hampshire to Albuquerque in the span of a commercial break, sneaking into a compound to extort his former rivals, sneaking into a restaurant and hiding poison in a sugar caddie which just so happens to be the one his enemy uses, rigging up a machine gun in the back seat of his car which just so happens to kill all of his enemies...the shyt is about as safe and by the book as can be.
I understand why they did it that way, though. LOST showed us what happens when you don't stick the landing. It showed that people need their hands held and every minute question and plot line needs to be resolved. I had said my perfect ending would have been if the whole episode was a fever dream Walt had as he slowly died in the cabin. The last shot is the fixer coming in and taking his money. End scene. He ruined all of these people's lives, and the one thing he did it all for, the money, is taken and he dies there forgotten and powerless. Jesse is still in that dungeon. His family is suffering. A$AC Schrader is still decomposing God knows where. But I realize modern audiences would lose their shyt at something like that