Maybe you missed this part:
…The El Paso Independent School District declined to formally answer questions on what led to the classroom discussion but Daniel Call, a school board trustee, said he believed Parker was pretending to advocate a position to challenge her students and prepare them to read the play.
One week later he suddenly changed his mind.
‘Any reasonable person that heard what the seven trustees heard would’ve voted to terminate Amber Parker,’ Call said to KFoxTV.
Explaining his u-turn, Call said: ‘There were more things that the public may not know about that was included on the closed findings.’…
I must have skimmmed over the first time. Yes, I did miss reading that Mr. Call had changed his mind, and was no longer willing to defend her. Wow. How sad for the kids. Another person they thought was safe to trust.