This problem is not AT ALL about the geometrical shape of the expansion of the universe. It’s about 2 different formulas that should give the same result for the rate of the universe, but give different results. I don’t blame you, the article title is extremely misleading.
You can just feel your way around. If all the buttons have the same shape, sure, you can’t, but they don’t have the same shape. For example, if one button has a little raised nub, like the F key in keyboards, you know immediately which button your finger is on.
To play the devil’s advocate: early cars needed a guy with a flag im front of them because people were used to horses and carriages and not automobiles. After a while that stopped being a thing.
But yeah, self driving cars are not really ready.
Then they can just get it repaired, at a shop that has the flasher to re-flash the device. Cuz it’s open source