People looking at a strobing light, start to see it as just “on” (not blinking anymore) at almost exactly 60Hz.
In double blind tests, pro gamers can’t reliably tell 90fps from 120.
There is however, an unconscious improvement to reaction time, all the way up to 240fps. Maybe faster.
Of course it is!
They’re not promising they won’t be hacked again.
They’re only promising they’ll try not to be. Which is promising practically nothing.