asdfghjkl: Great vort.
We can add that this message is great for bashalach also because the yidden were worried about the Egyptians chasing them into the sea, but their salvation came in the blink of an eye.
Moreover, Moshe basicly told them to shut up. The gemarah ta’anis compares people to trees. Imagine if trees would complain like people. They would go on and on. On every leaf they would wail,”Oy vey my leaf fell off.” The lesson is that we need to shut up like trees and let things work themselves out.