You don’t have any either. You have a still taken without context which you are debating with.
99% of people saw it happen. Saw the replay and thought, yeah, it has hit his arm, but he didn’t mean it and it should be a goal.
However, the rules now state it should be disallowed and that is what happened.
You’re now on a crusade to make yourself feel even worse than we already are by trying to argue it didn’t hit his arm.
Even if you convinced everyone in the world that it didn’t, what are you trying to achieve? It doesn’t change anything.