I am for the most part a fan of ABC's Lost, especially the first four seasons, but the last two seasons showed decline. Why?
The first 4 seasons were character-driven with the principals well connected to the plot. In contrast, the last 2 seasons the writers decided to tie-in all the intricate plot lines with obvious, cliched, Christian allegory and this contrivance shows its ugly head mostly in the dialogue. Once gritty and character-based, the dialogue became sanctimonious, pious, mouthpieces for the allegory more than the characters. The characters were once dark and complex with hints of redemption, but in the last 2 seasons their redemptive qualities became transparent with Hallmark-special insufferable gushiness.
What "wisdom" do we learn from the last episode? Sadly, I can come up with little more than a trite and cheap aphorism: "We're all good people. We just disagree on how to get to the Promised Land."
I say farewell to Lost appreciating its first 4 years, but lamenting its last two seasons' capitulation to easy allegory.