In tweets, Mr. Yang also reiterated that he had been the target of racial epithets in the past.
“There’s a complex set of reactions one has,” Mr. Yang said.
He said they had bemoaned the fact that such a slur could eventually be directed at one of their boys.
Mr. Yang also denied that there were any politics at play.
“This is both how I genuinely see this and what I think is best,” he said.