Why do programmers always assume every field is just like computing? Not everything gets cheaper. Chemistry is a mature industry. Photopolymers are 50+ years o

Why do programmers always assume every field is just like computing? Not everything gets cheaper. Chemistry is a mature industry. Photopolymers are 50+ years old, and unpatented. There's no real reason to believe UV-cure resin will ever get much below $100/litre, which is a solid 10 times more expensive than ABS.