I guess I should have justified all my comments and personal suggestions with IMO or IME, but I figure that's a given along with any obvious advice like, technique and creativity always trump gear.
So, IME: When I talked to Gary Upton about building my upright he asked me what kind of music I play and how (technique) I play. From this conversation Gary was able to make specific design suggestions about what style and size of bass along with what strings, bow, and amplification I should consider. I took his suggestions seriously and I was very pleased with the outcome and how well he was able to make a gear prescription to satisfy my sonic and technical needs.
There should be no reason why this same logic would not also apply to the world of electric bass. Certain aspects of instrument construction and materials used when applied to certain styles or technique will yield more pleasing results more often then others.
Is it foolproof or concrete? No, but there are trends in gear selection based upon past players and the color of sound they produced using what gear they had available at that time for the musical styles they played that worked and became apart of what we associate as a particular sound. It wouldn't take much to prove the existence of collective agreeability for specific sonic textures and musical genre.
Now obviously, the market has grown exponentially from the days of Dunn and Jamerson and so to then, our choices. However, IMO and IME, when I think of classic electric blues players that recorded iconic blues albums that appeal to to me, I look to see what they played and how they played to get their sound.
There are reasons why trends in gear usage exist for various types of music that range from choice and availability to chance and artistic taste, but with every trend you will also have your outliers. With that being said, what then? Well, after you've done some research like asking others with experience, investigating the history of iconic players and personal favorites, and playing some different types of gear, you still have to trust your own ears.
Or, try a Chinese no-name copy of whatever and play it through a keyboard amp you bought at a yard sale. That could be fine too.