Millions of Kias could be hacked and tracked thanks to a simple website bug that allows attackers to track cars, unlock doors, and start engines at will.
Back in the day there was a key that you turn and starts your car. Easy to steal. So manufacturers created keys with 4 rows of pins in the ignition. Hard to steal if you don't know what you're doing.
Then they moved to inductive transponder keys. Also not really an issue, but not as reliable as the older style keys.
Then some sick fucks said "why not make the transponder on the FUCKING KEY FOB" instead of the car itself which has a giant lead acid battery with millions of amp hours and here we are
Techbros sometimes want to change things because they convince themselves that all changes are smart and cool and "disruptive" without knowing why things were the way they were in the first place.