2b is a drop in the bucket compared to other companies like Microsoft and Apple. They’re not just building a headset, but the software to run it and funding both 1st and 3rd party content.
Amazon raised total of $108 million before its IPO.
Google raised less than $50 million before its IPO.
Facebook raised $2.3 billion before the IPO, and most of it was after it became a world-wide phenomena.