1. the number of partakers is increasing every year. ( how does the BORG explain this?
The Borg has already explained this. Here it is:
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w11 8/15 p. 22 Questions From Readers
Memorial partakers. This is the number of baptized individuals who partake of the emblems at the Memorial worldwide. Does this total represent the number of anointed ones on earth? Not necessarily. A number of factors—including past religious beliefs or even mental or emotional imbalance—might cause some to assume mistakenly that they have the heavenly calling. We thus have no way of knowing the exact number of anointed ones on earth; nor do we need to know. The Governing Body does not keep a list of all partakers, for it does not maintain a global network of anointed ones.
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There you go- the increasing number of partaking individuals are nutjobs- 'mentally and emotionally unbalanced'. Why concern yourselves if the number is increasing? They don't officially count anyway.