Rebuild code without changing also means learning. It doesn't end there, i also valid it's reproducible, which is good for the sake of software freedom and also

Rebuild code without changing also means learning. It doesn't end there, i also valid it's reproducible, which is good for the sake of software freedom and also security. "Simply rebuilding code, without adding value or changing it in any way, represents a real threat to open source companies everywhere. This is a real threat to open source, and one that has the potential to revert open source back into a hobbyist- and hackers-only activity."