Underpowered clinical trials should not be done

Medline has this story on a new report that recommends that clinical trials that are too small to be statistically significant should not be done and are, in fact, unethical. It's hard not to follow up that revealation with something very sarcastic. But let's take the 'nice' tack and say it's good to see people recognizing the flaws in the system. They don't even mention the immense waste of tax dollars involved in conducting these under-powered studies (far more important than the well-being of the participants, right? :-)