The NHTSA repeats the car lobby's own scare stories about "cybersecurity" that they blitzed to Massachusetts voters in the runup to the ballot initiative:
https://pluralistic.net/2020/09/03/rip-david-graeber/#rolling-surveillance-platforms
The idea that cybersecurity is best maintained by letting powerful corporations gouge you on service and parts is belied by independent experts, like #SecuRepairs, who do important work countering the FUD thrown off by the industry (and parroted by Biden's NHTSA):
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