It all stems back to the practically anti-Christ (at least anti equal forgiveness) attitude coupled with the pro-Jehovah (pro judgement, destruction, and legalisms) almost to the degree of the Hellenistic Jewish sects.
For example - in the JW reality there are many more than just the annointed and other sheep:
Good Annointed: prior to 1935 or so, stayed faithful to Rutherford until death, automatically saved into heaven by Jesus.
Bad Annointed: real annointed at one time, but did not agree with some Society Teaching. Instant Death without Remorse.
Maybe Annointed: todays shadow "annointed" - probably OK but we don't really know for sure.
Ancient Annointed: Apostles, true followers in first or maybe second century - up until Apostacy set in.
Ancient Maybe Annointed: A stealth JW doctrine holds that there have ALWAYS been true christians from time of christ up to when Rutherford took over. We cannot say who they were, but they must have been annointed. One of the most difficult JW doctrines ever to explain rationally.
Armageddon Survivors: Must be selling magazines up till the big bang. Special privilege: you can survive still married if your mate survives. Special jeaporday - many of you are full well expected to turn apostate during the 1000 years and get whacked in the second death.
Armageddon Losers: Would not listen to the door to door message. Roasted alive with nuclear fire, no hope of coming back.
Armageddon Did Not Finish (DNFs): Sold mags faithfully during life before big A, get brought back a little earlier than the hordes to come. Sorry, marriages cancelled for you, though.
Armageddon Sliders: Broadly hinted that God would give some people in places like Red China a pass if no witness actually came to their door. Very big grey area here, but it gives the chance that Armageddon could come before every single man woman and child got thier chance at a Watchtower.
Pre-witness Dead: You get a free pass at the resurrection (and this includes enough people coming back to make today's ecological issues look like an indoor Orchid Greenhouse)...however, like the Armageddon Survivors, if you do not conform to the message during the 1000 years, second death awaits!
Titannic, Bismark, Hood, and other shipwreck victims down through the centuries...pretty much same thing as Armageddon sliders...except that you are for some unexplained reason mentioned in the bible. It is not explained what happens to Good Annointed who die at sea.
In conclusion - these class doctrines along with all the time of the end BS have created a spiders web of confusion and unfairness.