Another reason is that CT Russell was not in favor of an "Organization":
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WT 1884 February Pages 1-2
We belong to no earthly organization; hence, if you should name the entire list of sects, we should answer, No, to each and to all. We adhere only to that heavenly organization- "whose names are written in heaven." (Heb. 12 :23; Luke 10: 20.) All the saints now living, or that have lived during this age, belonged to OUR CHURCH ORGANIZATION: such are all ONE Church, and there is NO OTHER recognized by the Lord. Hence any earthly organization which in the least interferes with this-union of saints is contrary to the teachings of Scripture and opposed to the Lord's will-"that they may be ONE."
"We always refuse to be called by any other name than that of our Head --Christians--continually claiming that their can be no division among those continually led by his Spirit and example as made known through his Word." Zion’s Watch Tower 1883 Mar p.6
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Since he was opposed to a dictatorial organizational arrangement, he was also opposed to any leader taking away an individual's right to believe according to their conscience:
Studies in the Scriptures Vol 6 page 242
"the real need of the Church of Christ is still more liberty-until each individual member shall stand free and independent of all human bonds, creeds, confessions, etc.
"The endeavor to compel all men to think alike on all subjects, culminated in the great apostasy; The union of the early church, based upon the simple gospel and bound only by love, gave place to the bondage of the Church of Rome a slavery of God's children, from the degradation of which multitudes are still weak and suffering" Zion's Watch Tower 1893 Sep p.264