Why would you make a 1930s machine using 1930s processes? Use a CNC machine, metal injection molding, and change the design to be able to use off the shelf scre

Why would you make a 1930s machine using 1930s processes? Use a CNC machine, metal injection molding, and change the design to be able to use off the shelf screws and bolts where ever possible. Forgot all the brass, looks nice but it will add to the build.