I had no idea this was a thing until one day I was swapping games or something and temporarily held it between my lips. I didn't taste it right away so I didn't immediately link it back to the cartridge, but I mentioned it to the SO and she enlightened me.
I don’t like the idea of a company telling me what I can and cannot smell. My father smelled potentially hazardous fumes, and his father ‘fore him! We will not submit!