There are also physical products that are un-engineered, such as pretty much any one-off made by a craftsman or DIY'er, but engineering is still engineering. Th

There are also physical products that are un-engineered, such as pretty much any one-off made by a craftsman or DIY'er, but engineering is still engineering. The unique thing about software is that an unlimited number of craftsmen and DIY'ers can be brought together to make things of limitless complexity.