Except that the calculations need to be done before the eInk rendering even begins. If you were just saying that the difference between 1s and 1.5s is less than

Except that the calculations need to be done before the eInk rendering even begins. If you were just saying that the difference between 1s and 1.5s is less than between 0.1s and 0.6s then sure, but I would argue that once you are above a certain threshhold making it even slower is even more annoying and they should do anything they can to shave off whatever ms they can.