In their talks about the hatch, they had conceived of a scientific research group known as Medusa Corp. (later to be reimagined as the hippie science collective the Dharma Initiative) conducting electromagnetic experiments across the island, and the hope was to keep things vaguely plausible.
As Lindelof puts it, "When we talked about the show being set in a Crichton-esque reality — nobody thinks of Jurassic Park as science fiction, because they ground it in actual science — we thought we were telling the truth."
That was the problem right there. They told the whole story as if it was all 'vaguely plausible'. It not hard to suspend your disbelief as successful shows/movies do it all the time. They set it up that way and then pulled the rug out from everyone in the end. They set as semi-realistic and abruptly went to
It was insulting to the viewers.