Homeopathy: see "Water Memory Due to Chains of Nano-Pearls" (https://www.scirp.org/journal/PaperInformation.aspx?PaperID=...)
Regardless of the merit, or not, of that idea... this whole process perfectly demonstrates the article's point.
An aspect that Paul Graham did not address in his essay is the difficulty one can face to communicate about something in a domain considered an heresy. The probability to find something new in such domain is greater than the average, but the recognition is much more difficult to gain than average.