> What makes the leak illegal other than copyright? The occasional piece of software might be a trade secret, but a person downloading a preexisting leak isn't affected by those laws.
That's completely false as far as I'm aware. Where did you see this? A simple web search shows numerous sources to the contrary. Are you confusing them with patents by any chance? https://en.wikipedia.org/wiki/Trade_secret
The occasional piece of software might be a trade secret, but a person downloading a preexisting leak isn't affected by those laws.