Research extends Peter Principle: incompetent managers may rise further, not stall
Political scientists Christian Gläßel and Adam Scharpf argue in their book Making a Career in Dictatorship that people who hit their 'level of incompetence' don't simply stop advancing, as the classic Peter Principle suggests. Instead, facing career pressure and risk of losing their position, these individuals may take on risky or ethically dubious tasks, or undermine superiors through false accusations or leaks, to force further promotion.