The dealership experience starts at the top (owner). Service managers, and service writers come and go for varying reasons, as do techs.
I worked at a large Dodge, Chrysler, Ram Dealership as a mechanic. I did mostly warranty work, and was also one of 2 Cummins mechanics. The owner had a strict policy that a vehicle would not leave the shop until it was cleaner than when it came in. That was on the mechanic. Shop foreman checked it. It always meant that you would not get paid for that portion of work. It sucked not getting paid for that, but we dealt with it.
I absolutely hate going to a dealership for anything, because that type of service is non-existent in shops today, at least the last 14 or so visits in a lot of different states. We fulltimed in our 2015 Ram ctd, pulling a 43ft 5th wheel trailer. All I know is in every case I had to make phone calls to the service manager complaining about the lack of attention to detail. If any. Oil dripping from under the vehicle after oil changes, not removing diff covers to clean out housings, instead they suck the oil out (lame), having a tech tell me the oil was from my own bad practices doing my own oil changes (I never lost a drop of oil) it just pisses me off. Last tech told me that I came unglued and showed him where the timing gear cover was leaking. He finally admitted I was right, he then had to do the same job 3 times. Cab off every time. I'd get the truck back finding all kinds of wires and harnesses routed wrong, laying on the drive shaft or exhaust manifold etc. Had to trade that truck in, because it was in and out of rhat shop so many times I completely lost confidence in the truck. I do all the work I can myself, but sometimes you have to bring it to the dealership for warranty work. I've got the pending Y76 grid heater recall . So I buy a $80k truck, and I can't park it in my garage or near a business or other vehicles because it might catch on fire. Bs. They to me they were months behind, and it would take a week to correct, when I know it only takes at max 3 hours. I just want to grab the little neck bearded pos by the throat until his neck skin oozes between my fingers. Rant over.