Sadly a "chicken soup" setup is the only way to run recent aos software. It sucks.
I don't think that's particularly true. My classic machine doesn't crash just by running everyday apps and it's pretty Frankenstein as far as hardware goes. On the software side, though, it's pretty much a bare 3.9 install with a few additional libraries and drivers to support the PPC, gfx card and NIC.
My UAE installation, which is pretty patched up with AfA OS and the like isn't particularly unstable either.
I don't get to reproduce your experience, anyway.