That's a bit like paying a blackmailer: "You want us to give you a 40% raise just so you won't reduce current productivity?" In terms of productivity it would

That's a bit like paying a blackmailer: "You want us to give you a 40% raise just so you won't reduce current productivity?" In terms of productivity it would be rational to pay. But there's a decidedly different quality between paying for an improvement, and paying someone to not make things worse.