True, there are sleek, high-design cases out there, as well as tempered glass display protectors, but in general, the better-looking the case, the less protected and/or more expensive it is.
Glass backs are another trademark of high end builds, in both smartphones and tablets. The Google Pixel and Pixel XL, for example, add a glass back panel to an otherwise standard aluminum unibody build – which I broke within a few hours. The new Galaxy Tab S3 tablet, which starts at US$600, is entirely glass on the back. This seems like a strange choice for any device that’s meant to be extremely portable and often held in one hand… More at New Atlas.
Some good points raised here. We seem to be rushing towards visually enticing new features and forgetting about battery life, practicality and toughness.