My point being that Earth is not necessarily a particularly good target for colonisation.
75% of the stars in our galaxy are red dwarfs with dicey habitable zones. My instincts tell me we're under pressure.
When you're in the market for a new home, the golden rule is location. Ask any real estate agent LOL.
You want a planet with solid foundations, a good magnetosphere and experience helping primitive life forms attain sentient status. This is it guys: 'Planet Earth' the water planet.
Why waste energy terra-forming a planet eons away from liveability. Just get rid of those pesky human locals, change the curtains, get a new skin and you've got your dream planet right here for a fraction of the cost. This makes total economic and cosmic sense
After spending billions of years toiling around a dying dark sun, you bet these pale large eyed types are dreaming of a day sipping an epsilonian cocktail watching a golden sunset on earth.
All this abduction, cattle mutilation, surveying, probing, O'hare type visitation behavior points to one thing guys: We're about to be replaced here ... pick a date. Hmmmmm. 2012 sounds just about right !