I found this spot:
When the idea behind a spot is good, all the production money is “on the screen”, as they say in Hollywood — instead of wasted trying to make a not-good idea look good.
So the time your copywriter spends twiddling about with their beautiful curly locks, and twiddling about with a pen and a notepad, is time well spent.
Because it costs just as much to produce a bad idea.
Here’s another ad that I think is a good simple idea, with all the money on the screen: