A bsd family licence allows the next programmer to add on new legal restrictions (e.g. no modifying the binary, no distributing the modified binary, no reverse

A bsd family licence allows the next programmer to add on new legal restrictions (e.g. no modifying the binary, no distributing the modified binary, no reverse engineering the binary, ...). In a world with no copyright the source code requirement dies, but all the remaining freedoms stay intact. Reverse engineering and decompilers become much more important.