> I find it very useful for wildlife photos. Autofocus never seems to work well for me on e.g. birds in flight.

The more recent cameras can detect birds specifically and are great at tracking them.

> It's also possible to generate a depth map from a single shot, to use as a starting point for a 3D model.

That is true, but is a very niche need. Wonderful if you do need it, but it's a small market.