When I was deciding whether to flash the build, that was what went through my mind, but I know what I'm doing for the most part with security, so I'm not worried. 😀
There seems to be an error in the battery usage stats. That says that maps used up all of the battery that has been drained so far. Also, it can't use up 9 quintillion mAh, so your stats are off, but Maps doesn't use that much battery.