The technique has been effective in India, AIUI. It appears to actually work. Our current regulatory apparatus is way too risk averse: look up horror stories s

The technique has been effective in India, AIUI. It appears to actually work. Our current regulatory apparatus is way too risk averse: look up horror stories surrounding IRB approval in biomedical research. (You need oversight for having people fill out a survey!) I understand the urge to protect people from various specific harms, but slow scientific progress is a harm all its own.