Eternity is made. The keepers keep disasters from happening, thus humanity is kept in a generally mediocre state, no major struggles, etc. By the time humanit

Eternity is made. The keepers keep disasters from happening, thus humanity is kept in a generally mediocre state, no major struggles, etc. By the time humanity, with no struggle, reach the ability to travel the stars, the stars are occupied, we're late. The future eternity (eternity itself has a timeline independent of the original) realized this and decided to let humans fend for themselves and thus fix the long term problem.