>>280193703
they're used a ton for out of home arcade applications and things like industrial hand tracking where the pogo connector is used a ton.
The amount they sell to enterprise is decently close to what they sell to vrchatters.
>>280193843
you can use a hyperkin light gun by simply remapping the controller to held in hand in steam. 
SteamVR games can't tell the difference if you remap a controller, a controller is a controller.