We had laser printers 20+ years ago with similar refills.. pro laser printer though. All these scenes are just scams… How come we don’t have to put Tesla-powe

We had laser printers 20+ years ago with similar refills.. pro laser printer though. All these scenes are just scams… How come we don’t have to put Tesla-power in, or BMW-gasoline? Because “tech” is “magic”, and people like to be fooled or something