In regards to objects like the guitar listed in the quote, there is a draw to how a hand-crafted item can be _unique_ due to slight imperfections. This can range from just slight imperfections in the wood to things such as believing your guitar has a unique sound.
Sure the factory guitar may sound "perfect", but the only guitar that sounds like this handmade guitar is this handmade guitar.
Sure the factory guitar may sound "perfect", but the only guitar that sounds like this handmade guitar is this handmade guitar.