All 2017 flagship phones have glaring compromises

But wait—there are a few problems, too. For one, Samsung had also tried and failed to place a fingerprint sensor under the S8’s display. Unlike Apple, it chose instead to place a fingerprint sensor at the back of the phone. Unfortunately, it was placed right next to the camera lens, meaning it’s very easy to tap on the camera instead of the sensor, thus smudging the lens

How do companies get this stuff so wrong?