That is because Commodore sucked at marketing. Commodore should have just copied Sega's advertising style in the early 1990's of just saying how pathetic their competition is and talking like the competition is so laughably bad they are no threat.
You mean like
this? or like (maybe Commodores greatest marketing moment ever)
this?
Personally, I usually hate marketing that stoops to putting down the competition but I just love that second one. Especially the carefully chosen location of the billboard.