Shipping broken, especially code that looks ok but it secretly broken - is far worse than having no code at all. Once it's in place, it gets dug in like a tick,

Shipping broken, especially code that looks ok but it secretly broken - is far worse than having no code at all. Once it's in place, it gets dug in like a tick, and if it's a pile of poor assumptions and wrong logic, you're in a much worse spot than you were with a clean slate.