New Doc Jensen theory (its out there)

Wow just read Dr Jensen’s theory and it sounds way out there but maybe feasible:
I assumed we would learn Michael and his son returned to the Island together. Wrong! And I’m glad I’m wrong, because it makes the whole business of Tall Island Walt even more provocative. If you recall, we saw in last year’s finale how an adolescent Walt beckoned left-for-dead Locke out of the Dharma mass grave. Was he a ghost? Was he corporeal? How did he get so big? Here’s my prediction: Ultimately, some or all of the Oceanic 6 will try returning to the Island in the flash-forward future, and they’re going to bring Walt with them. But when they pass through the electromagnetic anomaly, they’re going to arrive at a point in the Island’s past, perhaps even prior to the crash of Oceanic 815. Yes, folks, I am suggesting that here in the Island present, while Jack and the castaways are clashing with the freighter folk, flash-forward Jack and company are also on the Island, too. They could be hiding; after all, they can’t interact with their past selves, as that could screw up the timeline or create some kind of time-space catastrophe (although Walt would be exempt, as his past self is no longer on the Island). Then again, maybe Island magic precludes them from interacting with their castaway lives. Perhaps they share a separate, parallel existence with their old Island selves. Could this explain The Whispers? Could these voices belong to the flash-forward characters returned to the Island, watching and commenting on past drama? If my theory is correct, then here’s my prediction for the season finale: In the last scene, exactly one minute after the Oceanic 6 departs from the Island, the flash-forward Oceanic 6, released from the restrictions of Island magic, will step out of the jungle and greet the remaining castaways. I’ll leave it to Hurley to make the inevitable quip:
”Man, I thought they would never leave.”
Source: http://www.ew.com/ew/article/0,,20188031_3,00.html