I had enough problems running one that was hooked up to the wall, running it on batteries just increases the chances of an SD card/file system failure. They co

I had enough problems running one that was hooked up to the wall, running it on batteries just increases the chances of an SD card/file system failure. They could make the thing a lot more fault tolerant if they set up its fstab to mount the file system read only, and run in memory.