Technologies die very slowly once things of economic value depend on them. COBOL probably isn't used from new projects very often, but the economics of ditching

Technologies die very slowly once things of economic value depend on them. COBOL probably isn't used from new projects very often, but the economics of ditching it aren't very good either. It already works. Rewriting things that work is a great way to create new problems at great expense, so institutions are hesitant.