I primarily play a fanned fret. Aside from the better tension on lower strings, I really prefer the ergonomics of it. I don’t have to twist my wrist as much on either side of the board. It takes all of a few minutes to really get used to it.
The only downside is doing chords in the higher registers and harmonics are a little weird.
You also get the added bonus of a killer optical illusion that makes it look like the neck of the guitar is twisted in some impossible way when looking at it from certain angles.