I thought I would have a go after reading this thread. So I tried it on my X1000. I found I was missing the main binary but did an apt-get on the name and it installed quickly with few depends on Fienix. Unlike the x86/64 version the one in Fienix is up to date and the command line works. So I managed it get it booting with the latest MorphOS 3.15 ISO. For a while I didn't know anything was happening. It loaded up a window with the message about no active display. And on terminal said new context. But after a while the window resized. I found later I had to use the patched bios as I got stuck on a frozen pointer.
I haven't tested it much yet but it looks interesting. Slightly sluggish but should still be usable for testing. As with any emulation requires patience.
I thought I would also try qemu on my laptop. I installed it but it lacks a GUI as standard so installed all these files with no sign anything was added. Guess I'm used to it from the package manager when packages have logos. I tried this QEMUCTL app but it's broken as it only has menus and the window is blank. It could actually a fault of of Qt as I find it's buggy and not very useful as a user interface, Never been able to fix it.
So as is typical in Linux, the latest version in the distro is years out of date. Happens with Wine all the time. And it couldn't boot MorphOS. So I removed it and then downloaded the huge source and left my laptop to spend an hour compiling it. I should have just selected ppc but I went to the X1000 in the meantime. I kind of don't get these guys. Unlike with Wine, you can't actually download a package for QEMU. On the download page they only list source. There is a Windows binary hidden in the text, nothing for Mac and nothing for Linux to download. It all looks like it's designed for programmers and not any users. They want to get this out there they should provide binaries IMHO. Even the make file can't even make a deb. Looks a bit exclusive.
I booted up MorphOS and it looks to have worked. I used the simpler line letting it find the boot image from the iSO. It was faster than the X1000 but I wouldn't say blazing fast. There was still a delay where I wonder if anything was going on. I found knocking out the "-vga none" setting helped as without it you at least get OpenBIOS text telling you something is going on. Then suddenly MorphOS springs to life. The speed is comparable to my 1.67Ghz PowerBook. It actually looks usable and is fluent. Running it on a humble i5-8250U. But, I have an immediate issue, the graphics are messed up. It looks like it scaled the screen and the text is hard to read. I tried to specify "-g 1024x768" but it's still messed up. I didn't see this issue on PPC.
In practical use, emulating ppc is fine on x86, or when using KVM on ppc. But otherwise emulating ppc on ppc is impractical. In that case I suggest a solution like MoL would be best. Wasn't there some shots of MacOnLinux a while back? If that can work on new AmigaOne systems that would be a better and faster solution to running MorphOS in a VM. Since MorphOS can run on Mac it makes sense to me.