It’s not a huge part of the spectrum. It’s certainly the only part which any adult can access for the small cost of an exam, license, and shack. The top level

It’s not a huge part of the spectrum. It’s certainly the only part which any adult can access for the small cost of an exam, license, and shack. The top level amateur licenses go up to 10W! Open radio spectrum is a natural resource like any other. It is indeed about as commercially useful as a field, a tree, or a patch of blue sky.