Either you wear your jeans ridiculously tight or you've never tried to put one of the Galaxy Notes in your pocket.
On the other hand, my wife often has no pockets, and never puts her phone in one. Instead it goes in a purse. For her, and I expect many women, the only thing that matters if it is comfortable to hold and use not how it gets stored between use.
They are standard in Europe and much of the US at least. My apparently heretical pov is that the tech should be user centred, not vice versa
The current iPhone screen is too small. I'm glad to see Apple is starting to figure that out.