They never had the courage to write much about it in the Mags, because of course there was no scriptural back up, not even their catch-all " in principle".
They did though put it in writing in the instructions for Elders conducting items at conventions, and running Depts. at conventions.
They are such Pharisees, wedded firmly to their thousands of rules and regulations, "the tenth of the Dill " etc
They have made invalid the word of god.