Good point, I wonder if anyone has a comprehensive list of Apple events with lengths. There’s sure to be some variance, anywhere from just over an hour to nearly three hours (with ‘One more thing...’ and a musical performance at the end a few times). Just not needing to pause for crowd applause should speed things up, as with the virtual WWDC keynote.
I’d like to see this event be about Watch, iPad, and some smaller items (Apple TV, charging mat, services, software release dates). Then in October, another ~2 hour event for iPhones, AirPods Studio, AirTags, ASi Macs, HomePod Mini...