The employee(s) who filmed and shared the video apparently didn’t agree with the training.
“…The coach brandished a wooden stick and shouted, “Get your behinds ready!” He proceeded to slap the employees on their rears, going down the line four times. A woman recoiled in pain, and several workers gasped.
By Tuesday, a video of the episode had provoked widespread anger in China. The coach, Jiang Yang, apologized, and two executives at the bank that hosted the session, Zhangze Rural and Commercial Bank in Changzhi, a northern city, were suspended.”
Read the full article at the New York Times here.