That's a stretch - how do you know this? Especially since BRR has already been live on google/youtube for a while?

This thread has some comments about it: https://news.ycombinator.com/item?id=14814616

The kernel commit also has a note: https://github.com/torvalds/linux/commit/0f8782ea14974ce9926...

"It can operate over LAN, WAN, cellular, wifi, or cable modem links. It can coexist with flows that use loss-based congestion control, and can operate with shallow buffers, deep buffers, bufferbloat, policers, or AQM schemes that do not provide a delay signal."