In the past, and maybe even to this very day - all color printers print hidden watermarks in faint yellow ink to assist with forensic identification of anything

In the past, and maybe even to this very day - all color printers print hidden watermarks in faint yellow ink to assist with forensic identification of anything printed. Even for things printed in B&W (on a color printer). https://en.wikipedia.org/wiki/Printer_tracking_dots https://en.wikipedia.org/wiki/Printer_tracking_dots Yes, can we not jump on the surveillance/tracking/censorship bandwagon please?