Too much hypocrisy
A successful advertisement is invariably one that becomes a topic of conversation, that provokes reactions and goes viral. Whether an advert is good or bad, politically correct or not, vulgar or sexist is something quite different and is related to one's aesthetic standards - in short it is a matter of opinion.
The slide of advertising into crudity is nothing new, and hardly something capable of shocking us. The well-known pizza delivery chain which chose to advertise its product ahead of next Sunday's snap elections (by apparently using a spin on a popular hashtag on social media favored by critics of the government to gloat over its coming defeat) was hardly reinventing the wheel.
A very distant example from the early 80s, which some may remember, was a television commercial for a pipe, under the trade name Magic Life, which used a lewd reference to claim that it...