I would change “save face” to more like empathize with the other person. Discover why some choices were taken. Nearly most decisions that seem wrong were taken

I would change “save face” to more like empathize with the other person. Discover why some choices were taken. Nearly most decisions that seem wrong were taken due to time constraints. Something had to get out the door. Software can be patched later. So instead of saying “Bob’s team isn’t producing a good product” look into why. Maybe “Bobs team was in crunch time due to 3 people leaving the group and decided to use their own queuing service instead of working with IT to use the company one and that’s causing some problems that I think we can address by spending time on X”