This will soon be referred to as “Will Smith Syndrome”. Everyone will be very surprised that this kind of thing could happen, and wonder out loud what caused it.
The article explains why the runner did it.
If it’s true, it’s probably very exaggerated. Plus, there has been no proof via witnesses or video. I do expect ‘witnesses’ to come forward to protect the attacker very soon tho. Call me cynical, but it will take a lot for me to believe a witness. I’ll need video proof.