If that happens , it will be a repeat of the of the "superior authorities" surprise
All humans move through time together. To pick one stream, in wt's case "the anointed" does not change that fact.
The authors of "Jesus'" biography set the time frame. The generation ends after all these things have occurred.
The current "anointed" wt generation ends well before the final fun. Armageddon. it is too short, not to long.
best bet, pick another stream, existing besides the annoying anointed, the old timers in general.
the talking snake said a lie -- you will not die. no matter what generation you belong too.
wt writers speculated before to make that generation Hiroshima's, or Gagatin's Glen's.