Things are thin and light enough now - both in laptops and phones (and maybe tablets) - that other features like battery life from bigger thicker batteries prov

Things are thin and light enough now - both in laptops and phones (and maybe tablets) - that other features like battery life from bigger thicker batteries provide more marginal utility and value than slightly thinner and lighter do. Witness the Google Nexus 5 -> Nexus 5X, whereas the latter is thicker than its predecessor and with better battery life as a result. Huge usability improvement. Time for manufacturers to realize they've solved the thin and light problem, and now other problems need to take precedence.