What a silly response... you just make up a bunch of random numbers to try and discredit something that is important to many VR users. Not only simulator sickness but comfort and immersion. The 10HZ difference is something we won't really know the effects of until we get the units in our hands.
https://thevrbase.com/why-does-the-90-hz-refresh-rate-matter-for-virtual-reality/
"From a consumer-grade point of view, 60 FPS and 90 HZ is more than sufficient for the time being. Any type of content below that framerate should be avoided. Additionally, the screen resolution can still be improved quite a bit as well, which is more important compared to increasing the framerate right now.
Do keep in mind it is possible to watch 60 FPS content on a headset supporting a refresh rate lower than 90 HZ. It will not necessarily be a pleasant experience, though. VR hardware can certainly be improved to allow for higher refresh rates as well until the hardware catches up. It is evident the framerate is fine for VR content right now, yet the refresh rate of headsets may need further tweaking."