I have 3 colleagues in their early 70s, we develop silicons for AI and DL. One is the tech leader, another one is algorithm/compiler, the last one doing FPGA. I

I have 3 colleagues in their early 70s, we develop silicons for AI and DL. One is the tech leader, another one is algorithm/compiler, the last one doing FPGA. I asked one of them about the retirement, the answer is: "tried that, too boring"