Seemed like you really didn't run into much trouble there? The cops in Nebraska are nicer than in most states. At least they didn't arrest you. I don't see why you are so mad at Nebraska. Cops in other states in the midwest will simply lie and say you can't hitchhike at all.
With what I have gained, I wander about in all the world, without being subservient to anyone. Therefor if thou like, rain sky! -The Sutta Nipata