It has a large impact on long term productivity and cost. As a general rule a 10kloc project is much easier and cheaper to maintain than a 100kloc project and y

It has a large impact on long term productivity and cost. As a general rule a 10kloc project is much easier and cheaper to maintain than a 100kloc project and you can get these kinds of improvements by choosing the right language. Its not the most important decision, but it matters.