OTA updates are very much a double-edged sword.

Usually it's good, but sometimes you get crap like this or when Tesla downgraded a bunch of Model S batteries when they saw they weren't holding up as well as expected and wouldn't line up with their battery warranty.

E: and it's insane to me that cars don't have snapshots of previously installed firmware/other software. Or like an A/B partition style thing where you can revert if an update goes bad.