But you're also assuming that people aged 50+ are necessarily inclined to keep contributing to science and passing on their "wisdom" (quotes because they're act

But you're also assuming that people aged 50+ are necessarily inclined to keep contributing to science and passing on their "wisdom" (quotes because they're actually fallible) to the younger generations. In reality, the vast majority of them would just go on to consume, while also being content enough to be prepared to die any minute. And believe it or not, whatever knowledge or discovery you think you're losing with one death isn't actually contingent to that person. Given enough time, someone else will figure it out, and it becomes especially less valuable if you believe that AI tools are only going to get better.