If falling into desperation worked to make things better, then I would say, 'Let's all jump into despair'. But it doesn't help. The only way to truly find meaning and fulfillment is to look at the disaster, the pain, the difficulty, and know with complete certainty that good can come from this.
Who knows where inspiration comes from. Perhaps it arises from desperation. Perhaps it comes from the flukes of the universe, the kindness of the muses.
Weakness is what brings ignorance, cheapness, racism, homophobia, desperation, cruelty, brutality, all these things that will keep a society chained to the ground, one foot nailed to the floor.
People need motivation to do anything. I don't think human beings learn anything without desperation.