With compatibility broken it doesn't make a lot of sense IMHO to stick to the PPC instead of migrating to a modern CPU architecture with modern muscles and peripheral specifications. Better set the compiler to output binaries for AMD-64. Having two parallel CPU architectures going at the same time may risk spreading any remaining support from the few third party developers rather thin. Wouldn't it be better to focus all the new efforts onto a single target platform? But that's only my opinions, and again, who knows...?
Morphos is evolving by little steps.
Implementing new features on existing hardware can make devs more confident porting new system into a foreign platform.
I think this strategy can make sense and at same time let enjoy existing user base with current hardware.