You can 100% just look to Tesla to see what will happen. Tesla has been following the Apple model ("but on cars") since the beginning.
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Proprietary connectors? ✔️
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Walled garden of accessories? ✔️
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Blocking independent repairs? ✔️
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Highly integrated experience? ✔️
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Sleek and different, but not necessarily good? ✔️
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Reality Distortion Field? ✔️