Dehmunization allows the other person to be treated as a lesser, as an animal, and it does seem as some have been staring into the abyss too long.

Calling someone a racist or bigoted is not dehumanization. They are not trying to treat them as less than human or as an animal. Shaming, in and of itself, dehumanization.

A lot of those being labled (in order to dehumanize them) are becoming fed up with these largely unfounded allegations. Many of these movements are based on great exagerations.

Dehumanization is not the goal nor point nor even what is going on. Telling someone they are being racist is not dehumanizing. That's not how that works. And the "allegations" are not "largely unfounded". This opinion is why you see these movements growing and being more aggressive. Instead of the response to address or discuss the bigotry, the general response is to claim that they are " unfounded allegations " and to ignore it. The people trying to avoid discussion and prevent change are not the ones calling out the racism.

Donald Sterling who was so racist he gave permission for his gf (concubine) to have sex with black men so long as she didn't take pictures with them?

You mean the same Donald sterling who said that "black people smell and attract vermin" and "hispanics just smoke and hang around the building" as well as Sterling's alleged intent to rent only to Korean tenants because "they will pay the rent and live in whatever conditions I give them"? And wanted to fill his team with "poor black boys from the South and a white head coach". Come on.

The NASA T shirt guy?

You mean the guy who decided it was appropriate to wear, in a professional capacity on an international broadcast of a scientific breakthrough, a shirt with dozens if