The reason I have a need for so much IO is that nearly all of my processing goes through external hardware (EQs, compressors, delays, reverbs, filters, phasers, chorus, summing mixer, multi-FX units like Eventide H3000 & H8000) and I have a wall of modular gear + about 20 synths and drum machines.
https://airwave.fxarena.net/
https://github.com/robbert-vdh/yabridge