> Those mosaic like patterns are more pleasing to the eye than a noisy photograph. Noise does not automatically look worse than this weirdness. It can look bad

> Those mosaic like patterns are more pleasing to the eye than a noisy photograph. Noise does not automatically look worse than this weirdness. It can look bad when resizing with fast algos (moire and all). And of course noise is super fine detail so preserving it blows up filesize.