'So it is not possible to know the exact number of anointed ones who are on earth, and we do not need to know.'
BULLPUCKY: WTBTS in the past always had a need to know the number of annointed as a few of many quotes below reveal (until of course it started to get embarrassing):
. It was observed that only 10,619 individuals partook of the Memorial emblems of wine and unleavened bread, indicating that they were of the anointed class, the remnant of the bride of Christ yet on earth. This number of partakers continues to get smaller and smaller each year.W 1/1/69 pg 26 par 18
10 Also in accord with that fact the number of the anointed remnant of spiritual Israelites who observe the Lord’s Supper gets smaller and smaller. W 12/15/69 pg756 par 9,10
the attendance totaled 4,972,571, of whom only 10,187 professed to be of the anointed “slave” class.W 1/177 pg 14 par13
At their one annual celebration, the Memorial of Jesus Christ’s death, Jehovah’s witnesses had a total attendance of 3,662,407 persons world wide. This celebration was held on the evening of March 29, 1972, after sundown. Of this great number, only 10,350 professed to be anointed followers of Jesus Christ, who hope to be associated with him in heavenly glory. (Luke 12:32; 22:19, 20; Rom. 8:16, 17; Rev. 14:1-4; 20:6) This is less than three tenths of one percent of those in attendance. 1/1/73 p27 par 6.
There are many more quotes like the above that show that WTBTS indeed has always had a need to know the number of remaining anointed.