I think the solution is bigger pockets.
I can easily fit my 6.43 inches phone on my pockets, but that might not be true with women clothes.
Unless you want to have a tablet size screen in your pocket. Then I can see why foldable screens would be appealing
Yes. You can read about it here: https://docs.fedoraproject.org/en-US/fedora-silverblue/technical-information/#filesystem-layout