[kriro]

I think they were just pretty early in the VR space with good libraries/support/tutorials etc. I cannot say for sure because I have only done one Unity-VR tutorial "back in the day" but in the AR space there was a time window where they were pretty clearly #1 (imo). I shipped a couple of small projects based on their Vuforia integration (quite costly) and then later without Vuforia. Nothing big, mostly trivial product vizualizations for customers that had upcoming trade shows/excibitions with somewhat creative markers.

100% of my lifetime AR profits are based on Unity such a strange wild west time but I got out of that market very quickly when it became a lot easier to build these simple demo apps. I still remember the "wow factor" and people running around the office showing all their colleagues how you could see their products through a tables/phone.