Ouch, that cut deep...
For one, you can look at the post above where he has ping in the 10ms range. But for most fibre lines, sub 10ms is typical to a local server.
We are quite a internet heavy house. Someone streams 4k Netflix most of the evening while two of us play online games and watch YouTube at the same time. Phones are connected all the time (all wired except phones) and we "never" have any noticeable packet loss, buffering or ping spikes on a 50/5...
The optical links are relatively low bandwidth 2 channel pcm or some compressed surround format so you can't use it for uncompressed, true surround sound anyway.
Buys cheep AF phone (3k)..
Bitches that it sucks compared to the most expensive consumer phone available..
Jarre some of you people need to get your head checked.