You don't know what's going on,
You've been away for far too long
You can't come back and think you are still mine
You're out of touch my baby
My poor old fashioned baby
I said baby, baby, baby, you're out of time
Are those singing this tune to Kring regretting giving up too early? Is Kring teasing the shiny, happy people who were losing their religion, thinking the show was going to the dogs?
Ha!
Anyway, others will talk about all the interesting stuff far more intelligently than me, so I'm just going to stick with saying that I don't think things are as black and white as all that.
1. The last we see of Kensei in Japan is his swearing vengeance on everything that Hiro loves. So, we are left thinking that he still carries that purpose. But after 336 years...really? If Kensei's been hanging around that long just to have a go at Hiro, why do nothing about it so far? Kaito was the first victim of the elder killings, sure, but why bother with the whole facade of being after the others if that was anything to do with Hiro?
2. It's Kensei in Japan that leads us to think that Adam is evil now. I'm not certain that it is a legitimate assumption.
3. Linderman and Nathan understood each other in a specific way -- in the way a politician understands that sometimes for the good of the many, some must be sacrificed. I don't see that the battles between different ideologies amongst the current elders is so clear as good vs. evil. It's different ideologies, with each side demonising the other. That happens a lot.
4. If Kensei was responsible for getting this elder generation together, then it's likely he's done the same for generations past. So what? He caused world wars, pestilence, etc.? Hardly seems likely.
5. Bob shows Nathan a headline to illustrate the good they do when acting together. Unity seems to be more the goal than the ascension of one view over the other.
So, yeah...that's all random and meaningless and probably overestimating the desire of the show to put in that sort of complexity. I wish they would though.