You're talking in circles a bit. The point the GP was trying to make is there's no real downside to letting employees know they are on FOCUS and that a structured plan in place for tracking, rather than telling employees something vague like their work "needs improving".
It is the most basic level of transparency and just seems like a decent thing to do. For some reason your comments keep avoiding that point. I wonder if this is the effect working at Amazon has on everyone.