https://blog.priceplow.com/soylent

"Though he has absolutely no background in biology or nutrition, spare-time reading made Rhinehart decide that food should be simpler, and that he was capable of accomplishing that goal by creating a placidly beige concoction filled with ingredients he regarded as the nutritional groundwork for basic human health."

The Original Canon of Ethics of the Association for Computing Machinery required members to clearly disclaim personal expertise when expressing an opinion not based on training or working experience. The most recent variation is "A computer professional has a duty to be honest about his or her own qualifications, and about any circumstances that might lead to conflicts of interest."