Interesting,..
Can you give me more indoor links to the evidence that the WTBTS sent representatives to these meetings at the UN? I'm not doubting you, I'm familiar with the UN NGO fiasco and had read where they signed up for these reasons and the library card excuse was a lie.
Also I would think that having some print outs explaining cognitive dissonance and its effects, feeling surreal a bit etc,.. Also that many will excuse their doubts and pigeon hole the evidence since considering it leads to dissonance , etc.
I think that when we see someone experiencing CD we need to insert some info about it while they are opened intellectually to the experience.
Hand it to them In a print out so they can take it with them and read it and re read it over and over until they can get it, as it were.
I would explain to them just after making a mind altering point, me that you can see them thinking, that more than likely they will "put this aside" and eventually forget about it or belittle it until it does not "hurt their mind" anymore.
Explaining to them that dwelling on these arguments and seeing that they are valid is not beneficial to their idea as to how the world works or how they frame it and that they will have to either forget about it or see it for what it is and they will have to reframe their beliefs to loe the dissonance.
Of not, they hear and think about CD for a moment and the CD makes them forget about it,..
Great job and enjoyed your post,.
NJY