The move to PowerPC was announced in 1995, the same year as AROS started, and the Amiga PPC hardware wasn't launched until 1997 (IIRC), so the momentum for the PowerPC wasn't there yet.
If only, AROS devs started from the version for 68k, maybe we have in 1996 functioning and compatible with the Amiga OS open source OS, and the PowerPC would not be needed.
Besides this, it's a common misconception that AROS = x86 Amiga. This is not the case. AROS was designed from the very outset to be platform agnostic, the x86 port just developed quicker than the others (for various reasons).
AROS devs simply do not care about ports to other platforms, integration and testing their system with software 68k.
For example, before Jason and Toni started working on AROS 68k there was work done to port AROS to 68k Amigas, though the port wasn't maintained for a number of years (apart from AfAOS).
I really appreciate their hard work.
They improved the AROS source code in thousands of places.
This shows how important was integration and tests with 68k software.
Thanks to their hard work in the summer of 2011 I was able to copy the original MUI to AROS 68k, and it works.
Finally, I could write software for Amiga OS and distribute it without restriction and problems.
That was the really wonderful.
If I only had such a great working system sixteen years ago.
In 1996 when I first saw AROS.
But time passes, and today is no longer possible to convince anyone to invest in software running on this system.
Really a shame.