Basically everything that's written is true, he repeatedly ignored the request, he wasn't deaf, or at the other end, or concentrating. He just chose to ignore it.
It also true that he did a quick, stealth version when waiting for a corner, it's also true that the majority of City fans will have missed it.
He had a chance to make amends, as he was the last player off the pitch but ignored the request again. He knew what he was doing.
On the way out of the ground it was the major (only) talking point.
My opinion. He's signed for City because he wants to be closer to Swansea. He's got no affinity to City. His signing is a mistake.
His performance was poor (only rivalled by Fred). He did zero on the pitch to redeem his actions.