It's not incidental -- choice of language has a massive impact on your developers' day-to-day experience as a human being, and many of the best programmers will find themselves incredibly frustrated by using a language like PHP (not because of ego but because PHP has properties which makes it frustrating to work with).
Of course, from a certain mindset I suppose anyone unwilling to sacrifice their happiness on the altar of your corporation's profit might be dubious... the question then becomes whether this affects recruitment and retention, and if so, whether you can still accomplish the things you want with mediocre talent and high turnover...
Of course, from a certain mindset I suppose anyone unwilling to sacrifice their happiness on the altar of your corporation's profit might be dubious... the question then becomes whether this affects recruitment and retention, and if so, whether you can still accomplish the things you want with mediocre talent and high turnover...