Nah, I don't buy it from Aaron at all. That is an extremely charitable read of that stream and what Aaron displayed there. He was acting his socks off trying to look horrified, as if he had just realized the enormity of what was happening. And he really, reallyyyy tried to sell this sudden moment of clarity, as if reading that one line in the warrant is different from what he saw, contributed to, and later read in the charges, even if it all snowballed out of control even further after he left. He spent an entire stream telling disparaging stories about Nick for the lols and masturbating to Kayla, partly to piss Nick off, ensuring he (and Kayla) would come out looking better. Now he's acting like he deserves to be punished for validation and to look like the bigger man over Nick who is doubling down and losing his shit.
It's really quite pathetic, and he too should have the decency to fuck off forever.