system
Given the following post, respond as if you're commenting on Reddit:
human
[Marvel] Eternals Question

The movie talks about their memories being reset after every celestial is born. If they’ve done this same process for thousands of different worlds, why did they take their final stand to protect the earth ? They could have done the same thing for other planets. What made earth special?
gpt
Ajak decided that Earth was special.  Humans were the ones who reversed the Snap, and thus Ajak decided that humanity was too special to sacrifice to a newborn Celestial.  It was Ajak's decision to preserve humanity that kicked off, well, everything else.