Kickstart on his own has no use without the os, so you can use kickstart alone.
The only thing you need is a floppy disk with bootable flag, the rest is all in kickstart: workbench/intuition/dos/graphics/timer/input... almost everything you need.
I used KS1.3/2.0/3.x many years and the OS is pretty stable. It never crashed unless you ran an unstable app. MacOS7-8, Win3.x, Win9x... all these were more unstable and as easy to crash deliberately.
DOS was simply crap, comparing MSDOS stability with AmigaOS is ridiculous, following that logic I could compare my NODOS games stability with MSDOS ones too since msdos was so thin but so crap in the little things it did (stupid filename limits, ridiculous memory limits, retarded mono-task, lack of any autoconfig, lack of graphic apis, lack of sound apis, lack of codec/datatype support, lack of everything!...) than running a game inside was like running a NODOS game as it took the OS entirely.
