People in the future cannot change the past. Because even if they send messages to the humans in the past, the humans in the past will ignore it (just like Matthew's daughter keeps telling people that her father is the savior). Matthew is different. Matthew believes in communicating with the past through the "abnormal gravitational force", and his daughter Murphy has always believed that her father will come back, in other words, she has always believed in her heart that her father is alive). Through these two extremely rare special reasons, Matthew successfully passed the quantum data to her daughter through Morma, and finally saved mankind. As for the explorers who entered the wormhole before, they don't have the unique conditions of Matthew, which is why future humans will not choose them, or they can only stay in the black hole and sigh silently.
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