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by omnicognate 2019 days ago
Because it's not illegal to own or sell a car that can go over the speed limit.

A speed limiter is a feature that prevents a vehicle from doing something that many potential buyers want it to be able to do. There's absolutely no incentive to build in one that can't be disabled. In contrast, ones that can be optionally enabled are common - my car has such a feature, and I often enable it for sections of road with average speed checks.