In the past, the same could have been said of compilers and even web server and mail server software.
> many [most?] fields where people routinely decompile stuff are very highly compensated.
If it's more freely available, and more people have experience with it, then the compensation might go down as the supply of people with this experience goes up. I'm not sure using salary as a justification of what a tool price should be makes a whole lot of sense. to me, it just sounds like an inefficient market because there's not enough competition (justification on the ground that it does much more than any competitor and thus can command a premium does though).