MongoDB interim CEO @dittycheria reveals a counterintuitive hiring rule: the best salesperson may come from a second-tier company because selling an inferior product is a stronger test of skill. "I started my first company in 1998. Now I'm this gray-haired person in tech. And when I talk to these young, talented founders, they're dealing with the same issues I dealt with. How can I recruit the right people? How do I hold people accountable?" "They can look at the pedigree if someone worked…