It turns out that style matters in programming for the same reason that it matters in writing. It makes for better reading.
Features that offer value to a minority of users impose a cost on all users.
JS will be a real functional language.
Progress comes from finding better ways to do things. Don't be afraid of innovation. Don't be afraid of ideas that are not your own.
Using int made sense in the 50s. Not any more
A JSON decoder MAY accept and ignore comments.