Ok, this whole Aqua + Inffy this is tedious to read so I'll have to re-read it.
One thing I will say though that from my perspective it would make sense for a mafia to do what Inffy did, likewise with a town, if you follow specific reasoning.
For a town (like inffy claims he is), you would use inffy's argument, that he wanted to start a conversation. While this doesn't necessarily sound like a town thing to do, I can understand the reasoning to get reads on people, regardless of the matter by judging their reactions. Then for any mafia who thought it could be an easy lynch, inffy would try hard to lynch them as he would believe they are / were mafia.
For a mafia, he would break his silence early and then claim to be town because of that. He would use this justification to make himself appear town and then become useful to reinforce him being a townie in people's minds. He would say why would a mafia do this etc. for the exact reason of concealment. Then he would hope no-one would try to pursue it further so he could kind of stay hidden in plain sight. If a town did try and press it more, Inffy would use this as an excuse for a lynch and if it flipped on him, he could weasel out of it by saying that he was wholly justified and it was just a town bashing a town.
This seems quite a risky tactic but IMO it can't be ruled out and the pay-out would be good if it worked well. I think inffy's argument of "why would I do this if I was mafia" is void because of this but I think the majority of his points and arguments have been good and make sense.
This is why I have said previously that I feel Inffy could easily either be mafia or town.