The organization was fairly stable when I joined it in 1988. They were past the Ray Franz thing and 1975 was already dropped.
So when they changed the generation doctrine in a major way, it really was a surprise to me. But older JW's said "They change things sometimes" and treated it like no big deal.
So since then, I learned that the organization constantly has to change things according to their needs on the calendar or the wallet.
I want to say that the more things change, the less important and meaningless those changes are. But that is only doctrine. Their big changes already mentioned like just standing by a cart for hours, sanitizing the talks at the hall and assemblies to remove personality and liveliness, using JW videos more....many more things...it all adds up to seeing them disappear down the road due to lack of real retention and recruitment. Members are dying off.
Add in the biggest change- bigtime lawsuits over child abuse and other money woes. And the atrophy will continue.