Why is the OK HAND SIGNAL no longer acceptable?

Why is the OK HAND SIGNAL no longer acceptable?

The OK hand signal has been around for years. It's a means of non-verbally acknowledging someone. But lately, it may no longer be acceptable.

It now is apparently used by some as a symbol of White Supremacy.

The D. C. United soccer team fired the club's athletic trainer for allegedly making a "discriminatory hand gesture" in a photo that appeared on social media. What was the gesture? An OK hand signal. Here's a link to that story on NPR.

A Major League Soccer trainer was fired for flashing the 'OK' hand sign in a photo

What do you think?

Is it OK or not to signal OK?

Why is the OK HAND SIGNAL no longer acceptable?
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