Because you don't need to mention a party directly to run a smear campaign. Most politicians end up with nicknames over scandals. For example: Ad depicting a

Because you don't need to mention a party directly to run a smear campaign. Most politicians end up with nicknames over scandals. For example: Ad depicting a pig in mud. "Do we want this in government?" Mentions no one directly. But if it were run at the time David Cameron was running in the UK, it would be blatantly obvious who it was referring to, to the people on the ground. Not so much to the people/machines making approvals of these ads from other nations.