What I think most people miss is that it isn't a sprint ... and it isn't even a marathon ... it's a journey with no end in sight.
Some people imagine they are going to "bring down the 'tower!" with their "activism", but the reality is they won't. They'll see it continue to grow like the rest of us. They really miss the point of what any activism is about.
If people are driven by anger or rage or desire for revenge, they will burn out at some point OR, if they don't, they risk becoming a bitter caricature of what JWs picture an Apostate to be like (lots of gnashing teeth).
The people who last are the ones who fundamentally do what they do to help others, are motivated to do it but don't let it completely take over their life. Bringing down the WTS can't be the reason you exist, your life goal, otherwise the WTS still totally controls you and pulls all your strings.
There are also a small few who see it as a career opportunity - "I'm a professional apostate, send me your money!". It just seems like they are taking people's money on a false premise, promising them results but really making them victims again, taking advantage of their desire for some action but lacking the inclination to personally work at it but imagining that sending someone else money will accomplish something on their behalf.