God could have taken them directly to the promised land, but the stop there with the Red Sea ahead and the Egyptians closing in was for their benefit.
Those who relied on sensory perception and reasoning were panicky. Those who relied on God were not.
Ditto for Caleb, David, Daniel, etc.
Comes to mind; A "perfect" love can cast out all fear.. replaced with respect and gratitude.. and even a kind of JOY...