I feel like so many people forget the ability of AutoPilot and FSD when discussing the removal of USS.
Now if AutoPilot is capable of visualising cones, obstacles, 360 degree objects at all heights and at all times even far into the distance.
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The car is able to identify how many miles has been driven based on wheel rotations.
Then vision will indeed be more accurate than USS to the millimetre.
Teslas talented software engineers (those people smarter than us) will design Vision to identify the objects around you and can communicate will all parts of your car. (Not just a speaker to give you a beep.) Then calculate how many wheel turns to the smallest fraction before contact.
So, problem solved. And that’s just the start. All a USS can do right now is look ugly, beep at you and leaves room for error E.g small posts, cones etc
As for the argument of “my old cheap cars” have these sensors, then I’m sorry that’s no argument at all. Stop living in the past. Anyone sad their phone doesn’t have a headphone jack either? Technological improvements are amazing, pay some respect to the incredible feat of engineering and stop complaining