This paper is being misinterpreted. The degradations reported are somewhat peculiar to the authors' task selection and evaluation method and can easily result from fine tuning rather than intentionally degrading GPT-4's performance for cost saving reasons. They report 2 degradations: code generation & math problems. In both cases, they report a behavior change (likely fine tuning) rather than a capability decrease (p…
The obvious avenue to degradation is that the "HR personality" is much more strictly applied and the resistance to being jailbroken is also in some sense an inability to think.