At least they're honest. The video is viral, and the people responsible for it cannot possibly hope to put the genie back into the bottle. When you cut through all the blather about saving the planet, the solution begins to look horrifyingly final.
It has always been the same means to the same happy and perfect ending for the utopia fanatics in every age, of every stripe, whether religious or atheist. And always, it has ushered in a final solution that requires the slaughter of 'hindrances' by the millions. Plus ça change, plus c'est la même chose.
UPDATE: Big Fur Hat has made some alterations, and I think you'll agree, the Kool-Aid tastes less cyanidy.
EVEN MORE UPDATED: Bookworm Room has a list of the parodies you knew were coming. Hitler's Bunker Moment will be surpassed.