You can pay to take the bus to work, or you can walk. Thing is, walking's healthier for you, if slower.
This demo will most likely be released as a free version in the next few days. FilePlanet "subscriber-exclusives" do only two things: make files available to those who are willing to pay to have a first look, and damage a publisher's rep with their intended audience.
It'd be nice to see a big community grow around MC2, but releasing demos like this is like putting a big brick wall in front of your potential customers.
A demo is meant to give people a taste of a game, potentially leading them to buy it, and who apart from the most dedicated (or foolish, depending on where you stand) are gonna go through the hassle and cost of subscribing to FilePlanet to try this demo, given that they haven't already? Granted, they'll then get access to plenty of other "exclusives", but that's beside the point.
FilePlanet isn't really to blame, though. Rockstar could've said "No, we want a wide-open demo release from the start to allow as many people as possible to try MC2, and to start our relationship with the community on the right foot". Instead, they chose the other path, and I now wonder whether they want to see an MC2 community at all.
Stuff like this leaves a bad taste in my mouth.