This can only end badly.
I do not approve of all this Fieldy bashing.
Nor do I want to stop you guys.
But let me step in.
Fieldy adds to Korn's music what is needed.
It wouldn't be cool without Fieldy's slap.
And Korn has a wide fanbase, among them most fans appreciate Fieldy's work.
So he must be doing his job right.
He also succeeds in making the bass audioble.
That slap tone is a slap tone suited for this kind of thrash metal. (nu metal? whatever subgenre Korn is.)
I have no problem with the tone.
And he has nice rythm.
Yes I realize he is more of a percussionist.
But it works.
Korn wouldn't be Korn with a traditional bass.
Just playing devil's advocate here.

I'm no Fieldy fan and I don't wish to have his "skills".
But the same way I look at a famous guitarist, the same way I look at Fieldy.
Appreciate it, but another kind of musician than me.
I used to be a Korn fan. Hey, it was 12 years ago and I was 14... till the age of 17.

(With "used to be" I mean I don't like the stuff they brought out after Freak on a Leash.)
Sorry for the intermission.
Go on ahead with the bashing.
And yes I am in a certain mood today.
(But I'm a little bit glad I got another rant of my chest.)