Comment by avadodin
Firmware upgrades don't need to use the same protocols. Without secure boot any applet can take a security hole escalate and persist until you take a trip to a zone of interest. With secure-boot+attestation, the vendors can choose not to let you download the latest map data, report you to the authorities, etc.
Why do people take DA as "Hail Satan" anyways.
“With secure-boot+attestation, the vendors can choose not to let you download the latest map data, report you to the authorities”
As far as I'm concerned, you just conceded the argument.