On a Saturday night, if I want a decent pub it is a car journey. If I want one that feels less comfortable to be in, and serves beer that doesn't seem to be quality, then there are a few I can walk to. The more I'm prepared to walk, the better the establishment.
Sign of the times; no longer the haunt of lots of folk downing pints after work before going home. Cheap booze from supermarkets, and the loss of what the pub really was, means folk drink on their own, or with family at home. The social aspect is lost: and with a smaller market caused by the lower value society gives them, pubs inevitably close.
Use it or lose it; the ground it takes up has larger potential profit being used for something else.