I disagree with the "first and foremost" part - more precisely, I don't think it makes any sense to speak about this. There are people whose entire career will

I disagree with the "first and foremost" part - more precisely, I don't think it makes any sense to speak about this. There are people whose entire career will be only APL-ish or whatever funky ML-derived dialect, writing programs in a team of 1 and basically converting their thought processes directly into code, and their experience matters exactly as much as the experience of the X million developers in easier / more team/read-oriented languages matters.