I don't see Jorden Rudess using a Tyros 4 arranger of any kind anytime soon.
Why is every so DOWN on such a fantastic instrument...it might not be for your needs but to knock its vast deep capabilities is baffling
You won't see many of us
arranger players using a workstation either...at least not on a gig...for instance, you don't use one, Donny!

Why don't you use one?

Nobody is "down" on the instrument...but, remember,
this is an arranger forum.
I'm sure the Kronos, Motif and their ilk, are being discussed at great length on their respective
workstation forums.
Ian