Knowing when and when not to shoot bursts is important. It's also important to not substitute burst shooting for being careful, keeping the bursts short to no more than 1 or two seconds. Certainly for landscapes and studio work the photographer should slow down, plan carefully and try to get the best shot every time. If you don't do that shooting bursts will only give you a lot of less than perfect shots or if shooting carefully a lot of the exact same perfect shot. I shoot single when shooting bursts wouldn't be useful.
I think one perfect example of where Burst shooting is extremely useful, baby Canadian Geese. They are constantly, when on the ground, bobbing their heads, Up and Down when feeding. If the Pre-Release Capture of the Z9 works like I think, that's even more useful. Also, when the bird mating season starts, good luck for anyone trying to one shot all the bird Fights.