Not to defend them, but he did follow up with this:
This is referring to the technology we just released into BETA for premium subscribers, which delivers one of the lowest latencies for livestreaming (significantly better than YouTube’s latency).
This does not refer to encoding
https://xcancel.com/chrispavlovski/status/1856090182275215803
Although quality != latency, so idk.
ghost
is just GitHub’s way of saying deleted user.