Where's the "YUCK!" button?
These guys have no chance of turning around these teams without major changes made in personnel. The real question is which will get the bigger headlines.
If you want to talk impact coaches, let's talk Dwyane Casey, Nate McMillan, Maurice Cheeks, George Karl (who now has health issues - prostate cancer), Terry Stotts, and Avery Johnson. Every one of those guys has at least a chance to change things around.