It sounds like he used a purpose-made CNC machine, rather than a general-purpose CNC machine, though. It's like comparing a stand-up toaster to toasting bread

It sounds like he used a purpose-made CNC machine, rather than a general-purpose CNC machine, though. It's like comparing a stand-up toaster to toasting bread in a toaster oven -- one of these is more flexible, and one of them is "point and shoot".