I have had very limited experience of a Jazz bass, and was not fond of the weight and ergonomics. I don’t need more neck-divey
basses in my life. I know that Sadowsky, Mike Lull and others have done a lot of work to improve on the Jazz template, and there are mods you can do, but I’m honestly not keen enough on the sound or the look to bother. I really don’t like the treble pickup tone by itself.
Listening to Geddy Lee over the years, I was struck by the amount of work he (& his techs) have had to put in to get the sound he wants out of his Jazz. I know the situation was complicated by him being one of the first major players to go amp-less, direct to PA with cab sims etc. Even so, if I rank his tones over the years, the Jazz is low on the table behind his Steinberger, the red “horny” Wal, and his Rickenbacker. Maybe if he had stuck with the Jazz through the Ampeg as on “Animate” I might feel more kindly, but the amp was doing a lot of the work there.