I dislike shower curtains and thought hotels used them so they could launder them easily. They cling to you when wet. For some reason they always attach themselves to me and a fight ensues so instead of a nice hot shower, I end up cold. The shower head is too low and showering in a bathtub dangerous if you slip or trip up getting in or reaching over to work out how to operate the controls.
I assume hotels use a bathtub to cater for those who like baths. Ugh!