Private jet
So, like the original implementation of MCAS
Aside from falling afoul of the regulations - in addition to the 25.903(b), there is 25.901(c) - no single failure shall result in an unsafe condition (at best, it's going to require an "Equivalent Level of Safety" finding), I fail to see any advantages aside from a slight reduction in manufacturing costs. OTOH and can see numerous drawbacks.
What problem are they trying to correct?
We moved out of caves and into buildings because it was a better solution. I fail to see how going to a single thrust lever for a twin engine aircraft is in anyway a better solution.