It has been established that most people are motivated by their personal short term gains, they have no real reason to care unless there's a positive incentive

It has been established that most people are motivated by their personal short term gains, they have no real reason to care unless there's a positive incentive for them to worry about the long term consequences of their actions. Chances are that those managers will be able to deliver their features on time, meeting all KPIs & OKRs, while accumulating a stack of technical debt for future maintainers.