Goku plucked out a monkey, and the man was not transformed by two people, and came and disappeared. People cry and stand in the human perspective except for the environment of the other planets on Earth are cruel, only

Goku plucked out a monkey, and the man was not transformed by two people, and came and disappeared. People cry, from the perspective of man, the environment of other planets except the earth is cruel, just because other planets do not have what the earth has, or other planets are not suitable for the earth, can you conclude that the earth is better than other planets, maybe it is correct, maybe the opposite.