That was certainly true in 1990. The use of JITs has changed that to a large extent, as frequently used code paths can be rewritten at runtime in many cases.

That was certainly true in 1990. The use of JITs has changed that to a large extent, as frequently used code paths can be rewritten at runtime in many cases. Static types tend to push people towards copy-pasta code, as well, which can even work against performance.