What you're saying is, Lightening supports USB 3.0 speeds on the 3 devices below when and only when using a £40 dongle which lets you connect an actual USB cable.
> 12.9-inch iPad Pro 1st Gen
> 12.9-inch iPad Pro 2st Gen
> 10.5-inch iPad Pro
That's ignoring all the form posts stating it doesn't work even with the adapter and ignoring the dongles product page stating it supports specific file encodings.
> The Lightning to USB 3 Camera Adapter supports standard photo formats, including JPEG and RAW, along with SD and HD video formats, including H.264 and MPEG-4.
The cable was a means of vendor lock-in, nothing more.
