Keys in European and newer American cars reliably have Some Kind of real-ish crypto scheme applied, as this is fairly regulated in Europe. It’s an anti theft measure driven by the real stolen auto trafficking issue faced especially in Europe. Most of the aftermarket tools vendors use some kind of exploit (code exec, arbitrary read, update signature bypass, etc.) to extract the crypto material from a control module participating in the immobilizer - it’s neither a weird conspiracy nor as simple as it seems to bypass.