I think if you’re looking for a logical answer from first principles, you won’t find one. It’s more that the legal system runs on precedent, and a book fits far

I think if you’re looking for a logical answer from first principles, you won’t find one. It’s more that the legal system runs on precedent, and a book fits far more squarely in the fact patterns of previous First Amendment cases. Likely the source code case would end up with the same outcome, but it doesn’t hurt to make it more obvious.