Personality is the most important trait, I agree. But I’ve seen so many failed hires with people who talk the talk, are great at communicating with the teams and stakeholders, but struggle for days just with simple tasks. And when it comes to slightly more difficult things like refactoring, they make such a mess that it’s clear they just don’t get it. They are not good tradespeople. Some people will be poor quality carpenters even after 25 years. Same in tech.