Earlier quoted context omitted.
> Returning it to Blizzard directly is good for Blizzard. Returning your code is good for you. To expand on this, it's good in general to return leaked code of active-development projects because that helps the social contract of turning work into something that can be sold. So if I found jakebasile's 2015 code in an alley, it would be in some sense good for everyone for me to return it. But that doesn't apply to a 2…
So it's ok to take other people's property, as long as it's "culturally important"? TBH this makes me think of the old practice of smuggling jade artifacts out of China. Hey, it's culturally important, so clearly that means it's ok for other people to take it, right?
And I didn't say that cultural importance is an automatic justification. The new star wars movie also has cultural importance, but there would be large downsides to free-for-all piracy of it during its release year. Downsides that don't exist with 20 year old source code.