Just because source code is available doesn't mean you can legally use it. That's why every "the company source code got stolen!" news is nothingburger, no com

Just because source code is available doesn't mean you can legally use it. That's why every "the company source code got stolen!" news is nothingburger, no competitor can use it, it would be huge liability to be caught using it, and it "only" matters for people that might find bugs in it.