Did Mark Zuckerberg ever actually use it? I felt like it got shitty after John Carmack left FB. I don't think he was direct in the UI side much (more like incre

Did Mark Zuckerberg ever actually use it? I felt like it got shitty after John Carmack left FB. I don't think he was direct in the UI side much (more like increasing framerate in software updates) but I got the sense that as VR CTO or whatever he was able to say "Hey — what, come on, fuck that shit get rid of it" but now there is nobody to do that job.