The Guardian seems to have a certain difficulty in understanding what a bank is, what a bank is for, here. It’s a mechanism by which the shareholders hope to enrich themselves. Sure, things can go wrong with that desire but that is the function of such an organisation. Once we’ve understood that then the rest here makes sense:
Banks are closing branches in deprived communities in England four times faster than in wealthy areas. High street banks have collectively closed 990 branches in the most deprived areas of the country since 2010, compared with 230 in the richest local authorities.