The point is to integrate the service into people's lives that you can monetize later, instead of starting with a service that even the devs find uninteresting.
FB is pushing for it's use for office meetings, but nobody is going to spend time at home adjusting some uncanny Mii version of themselves in a super-sterile world, whereas if it had the vibrancy of VRChat, people would feel compelled to just out of social pressure, and then it's just an issue of getting them to use free content to keep them engaged.
The point is to integrate the service into people's lives that you can monetize later, instead of starting with a service that even the devs find uninteresting.
FB is pushing for it's use for office meetings, but nobody is going to spend time at home adjusting some uncanny Mii version of themselves in a super-sterile world, whereas if it had the vibrancy of VRChat, people would feel compelled to just out of social pressure, and then it's just an issue of getting them to use free content to keep them engaged.