@CSB you miss my point.
1) Good AR hand gesture UI: Apple headset demo had users making gestures with their hand just over their thigh, while resting on a seat.
2) Bad AR hand gesture UI: almost any Hollywood production in the last 20 years. Everything from Minority Report to Picard. Poking hard at empty space at chalkboard height, that doesn't push back.
Also, everywhere including your screenshot: image should be opaque, or at least more opaque than that.