• the eye doesn't have a "max framerate"
• the eye can absolutely distinguish between 144Hz and 1440Hz monitors
(thread)
so - what if something is moving fast on a monitor?
do you see gaps between the cursors?
double your refresh rate and you would get one more cursor in the middle of those gaps
quadruple and you get three cursors covering that gap
see where this is going?
"higher than 165Hz doesn't make a difference" is just not true
it's very likely not, as rendering 500fps is expensive as heck
but, a little motion blur could cover that delta between frames for the last bit of visual fluidity!
display drawing tablets is a great example because you directly interact with the monitor in place, where you can see and compare the difference not only in fluidity but also latency, in this case between 60Hz and 120Hz