Anthropic almost avoids hiring juniors. Unless they have a PhD, which only 13% do. Hesam looked at Anthropic's 1,680 engineers and found that the distribution of work really leans towards more experienced folks. It says a little bit about the future with AI, and what the sexiest company in the world can command in terms of talent. Interestingly, most people are actually mid-career. The mode is at 9 to 13 years, with 27% of the engineers. That's interesting because with 18 plus, you would…