This advertisement is asking questions directly to people who drink drive, asking a basic question which has undermining values. The question links each other for a raw meaning, indirectly stating why would you put in the effort to create a smooth running car, when you’re not smooth running yourself?
The language is very simple, which is embarrassing the reader, revealing the fact it is an uneducated action, so therefore the question has to be simplistic too.
The audience for this advertisement is drivers, which is people over the age of 18, as that is he age you can legally buy alcohol, the advertisement is targeted for adults yet written in a child’s manor undermines the role of the adult, referring to them as a child.

This advertisement is very controversial as some people may rebel the fact it is referring to them as uneducated and childish, where as others may be embarrassed by this stoping their actions as they do not enjoy the fact they are seen is this manor.