No issue with safety briefing & take-off, my slight bother is Qantas calling for all devices to be turned off at top of descent. Meaning most times into Sydney 30-40 minutes before wheels down.
Virgin and Jetstar leave the call for gadgets off much later.
That said, argument about immersive engagement is compromised by most carriers allowing in flight enertainment systems to run until arrival at gate. All I'm doing is trying to read an ebook!