Your first point is meaningless.This is where I stop following your line of thought. However, in a truly evolved and civilized society I'd say no one would be yelling any insult at another. In a truly evolved and civilized society I'd say it it would matter naught if you were speaking to a white person or a black person.
No. You see for me, in a truly evolved and civilized society, both parties would make an effort to understand and acknowledge the others viewpoint, not just one demand acknowledgement from the other. In this case, after the girl said her comment was not race related, Goodes would try to understand and acknowledge that a young girl may have reasons entirely separate to that of race in calling a large bearded man an ape and leave objectified notions of racism out of it. The girl in turn would try to understand and acknowledge that from another perspective, calling an Indigenous man an ape may have racist interpretations and apologise for any offense she caused and amend her actions so as to avoid causing offense in this way in future.
The words re Goodes's attitude towards the girl the next day have been quoted many times. If you have not absorbed them by now, then you are unlikely to acknowledge he was behaving in a fair and reasonable manner. Goodes and the young girl did in fact make an effort to understand each other -it wasn't a demand- they sat down and he explained why it offends him. And she came to an understanding of that and regretted her use of the word which she had unintentionally used in a racist way. Civilized.