Split ortholinear is possible. We didn't show this, but it is technically possible to build an Input Module for the Framework Laptop 16 that is full width, giving a lot of horizontal real estate for a split layout.
Looking forward to purchasing the 16 regardless though. Keep up the amazing work / mission with Framework. Fantastic work to the team.
(Preferably a proper version with thumb clusters.)
At least for me, that would make this laptop a must-buy.