I'm surprised nobody has discussed the selection bias going on here. The better programmers are the ones that will stay on. IDK what the general turnover is i

I'm surprised nobody has discussed the selection bias going on here. The better programmers are the ones that will stay on. IDK what the general turnover is in coding, but it makes sense that some people won't be able to hack it, appearing to boost the salaries of the "better" workers.