On the other hand, it's a way of giving a dynamic introduction like you might achieve with a video but putting the speed of navigation through it into the control of the user.
It's doesn't work properly in Chrome either if you have Ublock Origin enabled and/or anti-Facebook filters in place. Which is not that surprising considering that Oculus IS Facebook.
Even when trying to sell you hardware, Facebook is spying on your every click.
It locked up my downward browsing on Firefox. I had to manually click the three content circles on the right to continue progressing through their presentation.
It kind of works for me on FF, the video in each section seems to have its frames locked to scrolling. So sitting here scrolling the mouse wheel 500 times chugs along the page.
(can't scroll past the buy / watch video buttons)