I don't agree. Radio in the early 20th century in the United States was not regulated, and operated in the unregulated fashion you described, and it was a failu

I don't agree. Radio in the early 20th century in the United States was not regulated, and operated in the unregulated fashion you described, and it was a failure. What has really changed in the intervening century? Spectrum interference is still as much of a problem now as it was back then.