The longer it lives, the more your investment in learning thoroughly it pays off. But languages also have a tendency to accumulate features until taking on a c

The longer it lives, the more your investment in learning thoroughly it pays off. But languages also have a tendency to accumulate features until taking on a cancer-ridden look. I probably stick to a given "main workhorse" language for about a decade on average. So I would agree that if a language gets a decade of being good, it is about as good as you can expect.