The price you pay for having a system where TV content is subject to regulation via viewer complaints is that sometimes people make really dumb complaints. Media blog Mumbrella has rounded up 25 of the most ludicrous complaints about Australian advertising sent to the Advertising Standards Bureau.
In this embarrassment of riches, it's hard to pick out the single most ludicrous example, but the complainant who suggested that an advertisement where a truck didn't run over an echidna promoted unsafe driving came close. Hit the link for the full selection.
25 mad complaints to the ad standards board [Mumbrella]