They do the same thing with regular electrical components. Resistors for example have tolerance bands so they make a ton of them and then if it fits in the 1% r

They do the same thing with regular electrical components. Resistors for example have tolerance bands so they make a ton of them and then if it fits in the 1% range it gets marked with the 1% color band and sold for more than the 5% tolerance resistors. It's easier to change the marketing strategy than the manufacturing process.