You are really over thinking this.
We have been able to do this on 2 Korg keyboards, a couple of Korg Pad controllers (new key controller also), the Fantom to a certain degree, in LIVE etc.
Adding it to Maschine didn't really make some massive difference in what could be done.
Not fact. Just your take. Once ANY chords are presented in a
groove box or
mpc, THAT in itself is game changing and innovative. Keyboards are not that DEEPLY intergrated with mpcs......Until maschine 2.2
(wich comes free with the S61). Only people that have owned/slayed 4 or more real iconic mpcs and did all the keyboards/daws you mentioned like myself can throw blanket statements like you want to
KNOW FACTS about.
Adding it to Maschine didn't really make some massive difference in what could be done.
It's useful in a certain context but the limitations hinder it far more than you may realize.
It's implemented without user control so all you get are their preset chords and scaling which can be pretty boring or redundant.
It was HUGE depending on what kind of BEATS we making. No other mpc-wannabe does this. I own mach-five v3; also which does this, but its not deadly until its on a knob and intergrated with my daw(ren or maschine). You some kind of expert? Chill, we need to stick together and ask the people that USE THIS STUFF FOR REAL..... one of them....me.
If you really think it's useful why not grab a Maschine or MIkro and run it inside the Ren?
It works fine that way but also give you the other advantages of having Maschine.
Your could also add a Korg controller and get more a more useful tool.
some people can't point to the winner even if they described him from his jordans to his championship rings..... YOU ARE OVER THINKING THIS TOO.

say it with me...."and
NEW heavywieght champion of the wooooooooorld....NI KK S61!"

Now chill; let's wait on my sniper: pete "I got em in my crosshairs" goodliffe, brothas!