It ... amazes me how a self proclaimed rationalist community ... have no problem accepting techniques ... based on anecdotal evidence.

What evidence do you base this observation on? :-) The post is at +4 after a few days, which is barely better than getting into negatives, and there isn't much on-topic discussion in the comments. Whatever positive reception it gets is probably due to hypothetical variations on what is suggested that would indeed have some merit, unlike the specific thing proposed.