I do more sound work than bass playing, and I find most bassists very easy to work with.
Most of them play bass better than I can, but very few know much about how it works once the sound/signal goes beyond their equipment.
Those who I work with who have the opportunity to hear the way it sounds in the FOH usually have no complaints, and when making suggestions, or evaluating how we make use of their signal seldom request we do anything much different than we are doing it.
We worked with a guy once who had a pickup/preamp at the neck/fingerboard for the slap, and separate pickup/preamp at the bridge for string note tone on an upright bass who had never worked with us before. I could tell he was apprehensive that we would not understand the concept, or know how to get the right balance between the two pickups. I have to admit I was completely ignorant of this type of setup before he explained why he needed two channels, and it was the first time we had dealt with a double bass. It only took one song to get it dialed in to our liking. After the show, he said it was the first time anyone had given him the sound exactly how he wanted it. I did not tell him it was the first time we had ever done a rockabilly show.