This is not a choice and it's not about labour, as usual. It's about the product, as usual. Instead of buying any quartz watch that keeps basically perfect time

This is not a choice and it's not about labour, as usual. It's about the product, as usual. Instead of buying any quartz watch that keeps basically perfect time, people pay thousands of times more for a watch that's worse at timekeeping as a status symbol, or because they appreciate watches as art or as constructions. You would have needed your analogy to say why these same reasons would apply to hand-made software. The correct argument is, again, about product and not labour. Hand-made software still is a better product, and so it's worth paying for.