Normal content is 1000 nits, peak is 1600 nits.

Contrast is significantly poorer on the Air display, and HDR is already in your own photos if you have a modern smartphone, so the idea that it’s niche or irrelevant is a naive take.

The perceptual difference between sdr and hdr isn’t a minor bump, it is conspicuous and driver of realism.

If one cares about the refresh rate of their screen, then they’d trivially notice the improvement that high nit displays provide.