Personally, I think thin is just "omg look at my engineering". blah blah.
I found the (expensive!) bullstrap case to be helpful - thin and slippery enough to slide out of a pocket easily, well engineered to protect the camera.
But really, I think the iphone 13 mini was the most useful/practical application of apple's engineering.
I think a mini-sized 3-camera bulge phone would be great.