In the US, the KO process is purely sycophantic.
At one time, this process was an opportunity for feedback.
One could include a couple of people where constructive criticism might be included.
"Where could the subject improve?" It was ok to have an answer there.
but not the case anymore for US positions.
In constrast, I've written several KOs for European folks over my 8 years, where we'd had some professional/technical squabbles. In a couple of cases, their supervisors called to say the recommendations for improvement were appreciated.
Of course, I think in Europe they still have professional/technical training courses.
In sum: doing a KO for a US comrade is truly pointless. Don't sweat opting out.