Would those problems have been solvable if the general attitude was an optimistic view of "don't worry, someone will solve it"? Humans tend not to solve diffic

Would those problems have been solvable if the general attitude was an optimistic view of "don't worry, someone will solve it"? Humans tend not to solve difficult problems unless they are a crisis. Convincing them a problem is actually a crisis is usually the first step in solving it.