I am down with your "must". Its may be technically valid within the constraints of the paper - no supplementation, no higher cost etc, but it as a word has litt

I am down with your "must". Its may be technically valid within the constraints of the paper - no supplementation, no higher cost etc, but it as a word has little place in the title of an academic publication. My contempt is for the "people should just spend more money" crowd.