It becomes easy to be a believer when the proclamations you make are creating money and power for yourself.
Russell and Rutherford were faithful slaves to themselves, their own words, their own teachings, not Jesus's words and teachings.
They were the essential false prophet apostates, the evil slave that the bible warned about and taught not to listen to.
JWs are just people that were lured and coerced by these men for exploitation and manipulation purposes involving the distribution of the literature the WTS published.