They're just waiting it out until we're so connected with technology that we can't function at all without it, and then they'll take full control of the sources. They'll control our thoughts by saturating our minds with alien propaganda.
By then us men (fast becoming the weaker gender) will be practically immobile by obesity and so weak from low muscle mass and a deficiency in testosterone that we'll offer no resistance.
Both genders (oops...all 147 genders) should be plenty plump enough to feed the Alien masses on their many festive holidays. The few skinny people will serve as waiters and dishwashers at these celebrations.
The rusty wire that holds the cork that keeps the anger in Gives way and suddenly it’s day again The sun is in the east Even though the day is done Two suns in the sunset, hmph Could be the human race is run