CNC, EDM, stock duplicators, are used by best makers to speed production, minimze hand work etc, look at Youtube vids for confirmation. The machines also reduce inventory.
The time and cost savings are not passed on to the client who is willing to pay for the brand name and suffer the wait.
Somewhere there is a post about engraving in the golden age, where best guns were sent to the engraver for full scroll coverage on Friday with a note that they would be picked up on Tuesday. Unthinkable today even for laser engraving.