I had to go educate myself on this.
This seems to be a balanced article on how we got to this point on this particular hand sign:
I was familiar with the circle game usage, the older A-OK usage, but only peripherally aware of association with white nationalism.
Language and communications continually evolve, and sadly, some words and signs are co-opted for the worse.
People will view the video and images through their own lenses of experience, assumptions, expectations and biases.
I hope the investigation clears up context and intent, and takes action appropriate to the findings.