I guess I still don't see what is alarming about needing to go back to the dealership to have something fixed/replaced, even if the number of people needing to

I guess I still don't see what is alarming about needing to go back to the dealership to have something fixed/replaced, even if the number of people needing to do is high. Short of them making a service call to your place (where the necessary tools may not be available), what's the alternative?