Banking apps may or may not have a big budget. They're created in a highly political environment. Engineers might not be making the decisions. E.g. do we spend

Banking apps may or may not have a big budget. They're created in a highly political environment. Engineers might not be making the decisions. E.g. do we spend time fixing X? Some business person might decide that since it affects only 10% of the user base they would rather have the tech team work on something that increases their bonus.