If I undestand it, Pinker gave his opinion but now regrets it in face of the charges / who is being charged? But wasn't his knowledge specific and objective? I

If I undestand it, Pinker gave his opinion but now regrets it in face of the charges / who is being charged? But wasn't his knowledge specific and objective? It would be another analysis and result depending on who was involved? So it wasn't scientifically acurate?