But! Lots of applications aren't built to handle partial writes, which will absolutely occur if apps are hard killed. Any disucssion around this topic should reference Crash-only Software [0][1][2] and Micro Reboots [3]
[0] https://en.wikipedia.org/wiki/Crash-only_software
[1] https://www.usenix.org/conference/hotos-ix/crash-only-softwa...
[2] https://lwn.net/Articles/191059/
[3] https://www.usenix.org/legacy/event/osdi04/tech/full_papers/...