> You need a quick reaction time for lots of games, many people have high ping times because of their internet provider or rubbish wifi.

There are situations where streaming has lower latency than local console.

https://www.eurogamer.net/digitalfoundry-2022-geforce-now-rt...

This is still held back by garbage ISPs, which are plentiful in the US. Terrible wifi/modem combos and low data caps put a huge damper on game streaming.