This isn't universally true - Dan Luu's computer latency page[1] lists three Kindles, all below 900 ms of latency. And, since some devices have latency as low a

This isn't universally true - Dan Luu's computer latency page[1] lists three Kindles, all below 900 ms of latency. And, since some devices have latency as low as 570 ms, it makes sense that they would use this optimization. [1] https://danluu.com/input-lag/ https://danluu.com/input-lag/