That's a valid point but it's somewhere on a spectrum of "quick to write/change" vs "safe and validated" debate of strictly vs loosely typed systems. Strictly t

That's a valid point but it's somewhere on a spectrum of "quick to write/change" vs "safe and validated" debate of strictly vs loosely typed systems. Strictly typed systems are almost by definition much more "brittle" when it comes to code editing. But the strictness also ensures that refactoring is usually less perilous than in loosely typed code.