4.The early feature of Christianity was the arguments and debates over who and what Jesus was as well as what true teaching was.IMO your argument begins and ends with that statement.
I probably should have included Judaism in that statement as well as regards the MESSIAH.
In other words (and importantly) JW's try to maintain the false notion that there was one central monlithic "organization" which had a lock on true belief, doctrine and practice and that modern day JW's are the natural heirs to this ongoing chain of custody.
It is fallacious! The controversy stayed controversial from the beginning until now.
Each believer uses his choices the way a hunger diner uses a buffet table at the local smorgasbord.