To TL;DR an earlier post I made, it still strikes me as a bit odd that she posits Hope as Stagnation and Despair as chaotic possibility/destructive creativity. Especially given her behavior in later games where she seems to get off on the idea on how much she understands human nature; that they'll inevitably turn on each other (the whole "What are you trying to prove; that deep down everyone is as ugly as you? You're alone!" thing I mentioned probably dozens of pages ago). I don't doubt she finds Hope's Peak brand of 'Hope' stagnant and hypocritical (and obviously boring), I just don't know how truthful she is when she says 'Despair is an unknown'.
Who's to say she even buys the line of argument she was happily doling out to Izuru? Perhaps she was feeding him a line of bullshit that she felt would resonate with him to make Despair sound so damn appealing and "not boring" when she herself feels the opposite (more true to her speeches in the games). As introspective as the Junko-Izuru interaction was in today's episode, I think it's important that we don't take it at face value. It was a calculated means to an end for her.
Re watching the first two episodes of each arc dubbed, Gozu definitely is suspicious.
1) he has red eyes. technically, it seems like it's because of the mask. however, it works out for Gozu to throw off suspicion.
2) he gave a hope speech to Naegi not too dissimilar from the one Monaca gave Naegi as Miaya.
3) he's the only future arc member aside from Bandai and Miaya not to have appeared in the Despair arc.
Ryota, Gozu, and Chisa are the most suspicious of the future foundation members.
Not hard to argue with that logic.
We know Ryota was directly exposed to Junko's influence pre-Tragedy.
Gozu has an identity that is intentionally being kept hidden.
Chisa has the Despair 1 opening, the intentional teasing in the Despair OP, the bizarre stabbing of her corpse by Munakata, the audio-blocked Tengan answer, the first victim stigma before the killing game was even explained AND the whole "I will support Munakata's ideology no matter what" philosophy being hammered into our skulls all while we're supposed to be sympathetic towards her as Team Despair's teacher.
I think Koichi is another decoy. Not one as in your face as Monaca but I think he's got an independent agenda that revolves around his relationship with Jin and his undisclosed affection towards his daughter. I can understand the argument that "oh, he's a scout, he must know what the Despair sisters are all about and be a co-conspirator" but perhaps he's just shitty at his job.
He's not an Ultimate for one thing. He had to juggle teaching responsibilities while doing it and he's a slacker drunk. Juzo's an ultimate and clearly sucks at his security detail - granted, that's not exactly his ultimate skillset either. He's not the Ultimate Security Guard. He's the Ultimate Boxer. No reason these people can't suck at their outside of the box assignments.