I have problems with the Mayans calendar as well as with the Rapture or any other form of eschatlolgy, be them Christian, Muslim, esoteric or otherwise.
Not that they don't seem to come in handy and the moment of the energy, food, water, climate and population crises. If you ask me, the timing of these prophecies is VERY troublesome and would have me scratch my head for hours trying to figure "how the hell did they know ?".
My main problem with the Long Count is that it appears at first to be just that : a "Long Count", i.e. a clock based on astronomical alignment from a spatial POW.
I mean, saying that some form of "Apocalypse" must happen every time the clock goes back to 0 is the same as saying 'Oops, my alarm clock is nearing mignight again, the house is going to be burn/collapse/blow up". But when your clock clicks midnight, nothing else happens, it just so happens that it is... midnight.
I don't understand why the Long Count should be any different, but I admit that all these theories seem to really fit in today's worlds events.
But damn, give me your chaos and mass deaths and doomsday, after all that'll solve my problem!