The difference between MoFA and AJ, though, is that the AJ position is more reactionary - things are done when needed, unlike the MoFA who will always have something to do. I can think of potential compromises here where an AJ is not firewalled but has, if also holding another position, less standing within the court than an AJ that is not holding another position.

(I suppose that compromise wouldn't help with your sinecure concern though....)

We could have an informal poll in the assembly to see if legislators would prefer a firewalled or non-firewalled associate justice.