I'm not sure what distinction you're trying to make? Build it yourself vs reuse? Old-fashioned file-sharing reuse vs modern network-based package management? So

I'm not sure what distinction you're trying to make? Build it yourself vs reuse? Old-fashioned file-sharing reuse vs modern network-based package management? Sounds like you're mocking anything that isn't homegrown or acquired via floppy disk, but I want to give you the benefit of the doubt...