TV. lost

lately ive gotten into the habit of not watching shows for a few weeks, and then all in one night binging on all the latest episodes i have saved in one sitting. last night i did just that with lost. i hadnt seen any episodes since the season premiere this year.
now that im all caught up i have just one question: why should i still care?!? ive been watching this show since its first episode, but im starting to wonder why. the first season was really great, i loved the mystery, the questions, the cool flashbacks (especially the one with locke). last season i still enjoyed it, but it seemed like they lost their way a bit with the story. they have fallen into the habit of asking new questions and beginning new mysteries, but they kind of forget to finish up the last one, or answer any questions. at all.
and now this season they seemed to have just plain given up! they probably said to themselves 'so, heres what weve got so far: where did the polar bear come from? what huge thing ate someone in the plane wreckage? what was that crazy black smoke monster? whats with those numbers anyway? why do they have to keep pushing the button? whats that whole dharma thing about? why cant anyone leave the island? whats with the four toed statue? how come everyone seems to have interacted with each other before they got to the island?' and after asking all those questions, i assume they answered with 'screw it, lets just ignore all that and instead introduce 10 more main characters to our show. im sure no one will mind.'
this show quickly went from 'must see', to 'dont really care'. pretty sad because it was such a cool set-up.