Unusual for burning .img to SD cards or unusual among RPI distros? There are certainly many potential failure points, but the commonalities seem to infer there is *something* about the structure of RPI Kodi distros that can wreak this sort of havoc when imaging an SD card from a linux machine. I trust your word that it isn't unique to LibreELEC, although I'm no closer to actually knowing what is happening.
If you need further convincing, something I mentioned before if you really want to get “deep down” into your SD cards. Might shed some further insight on your problem. Personally I’ve used LE images and formatted cards for other uses no problem. You might be looking in the wrong place. Card reader and card quality might be the place to check next https://medium.com/@drawn_stories…al-f0109bef63ea