If you did NOT watch it yet, do not read any further.
All throughout those six years, producers Carlton Cuse and Damon Lindelof insisted that:
1) The characters were not dead
2) The island was not Purgatory
3) It was not a dream
4) No aliens were involved
5) It was not a fantasy made up in one of the character's heads
So, how to make heads or tails out of the finale?
I thought and thought when I ran with Phoebe to the beach this morning. I was upset last night. I wasn't happy with the ending. . .at first. Then it came to me - Juliet was right - It DID work (meaning when she set off the hydrogen bomb at the end of last season). That bright white light was the answer.
All the characters died when the bomb went off and this sea…