The Messianic age had arrived eons ago. Civilization had finally decided that there were better ways to spend time and money than to conquer one another. Swords had been beaten into ploughshares, but who wanted to plant in this heat when you had robots for that. I know what you're thinking. Well, he came back, but so did lots of other folks.
Resurrection is, after all, a basic Jewish principle.
Anyway, there's a more pressing matter. The sun was predicted to blow up in 43 years. But trying to get your grandparents to move - oy vey. They complain you never call, but try explaining to them that even if you lived on the nearest star, you pick up the phone to call them, and it takes four years before their phone even rings. Who has time for such phone calls.