With regards to the overall situation where the police officer killed the black man by kneeling on his neck, it's two separate incidents:
- The situation that led to the arrest.
- The action that led to the death.
The two incidents don't excuse each other. Maybe the black guy committed a crime, maybe he didn't. I don't know. Either way, the killing of an unarmed suspect is incident of its own, and should be judged on its own merits without prefacing it with the character of the victim.
With regards to the overall situation where the Karen called the police on the 'African American man', it's also two separate incidents:
- A single woman got told by a strange man in an isolated location that he was 'going to do what he wanted' and that she 'wouldn't like it'.
- A woman weaponised a man's race against him as a threat.
Again, the two incidents don't excuse each other. The woman has a right to be scared. The man should definitely have chosen his words better. But what she did next was racist and can't mitigated by her perception of his actions.
On 1, it's not quite as black & white (no pun intended) as that.
The woman was spoken to by a strange man, because the woman wasn't obeying the rules in the first place, then she ignored his request to adhere to said rules.
Had she been obeying the rules, or listened to him when he told her that her dog needs to be on the leash as they went back and forth (according to his statement); 1 wouldn't have occurred, and neither would 2.
Admittedly what he said doesn't read greatly, but - she is still intentionally flouting the rules, she then refused his request, then refused to go to an alternative place he suggested then continued doing what she wants to do.
She is still at fault for the first incident, and his 'threat' is strange & mild at best, but doesn't come out of nowhere or for no reason, which is what your statement suggests.
Maybe it's because more people have empathy for dogs than they do with birds, so the horror of this man potentially 'threatening' this woman's dog is causing people to think there are 2 people at fault in varying ways in 2 separate incidents. But there isn't. In his mind, a dog off the leash is a threat for the birds that he clearly likes to watch.
The rules are in place for a reason, and that reason is for the safety & protection of the birds - this man clearly is an avid 'birder' (never heard that term before) so he feels strongly about this and presumably he feeds the dogs treats so the owners know what it feels like to have a living creature that you care about be under possible threat - but again, this wouldn't have escalated to this point if she had followed the rules in the first place, it wouldn't have happened if she put a leash on her dog after he asked, and it wouldn't have happened if she took her dog elsewhere when he suggested it. She refused to do any of that.
I also have no doubt in my mind that because of the colour of this man's skin she didn't take him seriously as someone worth listening to in the first place, and because he didn't back down, she knew she could weaponise his race against him. This is another reason why I don't believe there are 2 separate incidents here, because she would've been fully aware of the power dynamics before he made the 'threat', she was just looking for a reason.