We would probably run out of polyphony and CPU very quickly.
One solution may be to limit the number of triggerable groups.
Not sure it’s on the to do list as it’s been requested since 2021 under different names like layering samples…etc but +1 
Hopefully one day someone brakes the radio slience about feature requests at Isla and answers if it can be done or not. Yes/No. 1/0.
Same for one of the most popular and ignored feature request which is pingpong loop.