Character mistake: The newspaper article states that Lucinda was thirty-three at the time of her death in 1988. However, that would make her just four years old when she wrote the time capsule note in 1959 - four years old in the 3rd grade?
Character mistake: The blackboard in the opening school sequence shows the phrase "The quick brown fox, jumped over the lazy dog" this is incorrect. It should read, "The quick brown fox jumps over the lazy dog." The point of the sentence is that it contains all of the letters of the alphabet, but in the first example, there is no 's'. (00:03:07)
Answer: There is no intention on the part of the whisper people to warn humanity as a whole, merely a select group of children who appear, due to their telepathic powers, to be the next stage in human evolution, and their respective guardians.