I like this commercial, but it is deeply flawed:
Can you figure out what the problem is? I will tell you.
When the first kid starts singing “bum bum, bum bum” to himself the other passengers in the car would not normally chime in with an impromptu rendition of an Ozzie Osbourne song. No. If this ad was showing what life is really like in a crowded car on a long road trip one of the other passengers would have shoved that blond kid and said: