"(Gabrielle) Union was subjected to a very specific critique — that her rotating hairstyles were “too black” for the audience of “AGT,” a note she received over half a dozen times, according to four sources with direct knowledge of the exchanges who spoke on the condition of anonymity. One network insider disputed the volume of notes, saying there was only feedback about hair continuity for both judges.

This would not be the first time “AGT” has been accused of insensitivity toward top talent. Nick Cannon, who hosted the series for seven seasons, resigned abruptly in 2017 in a scathing Facebook post that condemned NBC.

In a standalone comedy special for Showtime, Cannon made a joke about “AGT’s” squeaky-clean image, saying he could no longer use the N-word in his routine. Cannon said NBC attempted to retaliate when they caught wind of the bit."

https://pagesix.com/2019/11/27/ousted-americas-got-talent-judges-reportedly-complained-of-toxic-culture/